19435819520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18839}}^1$

素因数の和:18906

約数の個数: 160

約数和(自身を含む): 51806684160

約数和(自身を除く): 32370864640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 6656, 7936, 8060, 8320, 9920, 12896, 15872, 16120, 16640, 18839, 19840, 25792, 32240, 33280, 37678, 39680, 51584, 64480, 75356, 79360, 94195, 103168, 128960, 150712, 188390, 206336, 244907, 257920, 301424, 376780, 489814, 515840, 584009, 602848, 753560, 979628, 1031680, 1168018, 1205696, 1224535, 1507120, 1959256, 2336036, 2411392, 2449070, 2920045, 3014240, 3918512, 4672072, 4822784, 4898140, 5840090, 6028480, 7592117, 7837024, 9344144, 9645568, 9796280, 11680180, 12056960, 15184234, 15674048, 18688288, 19592560, 23360360, 24113920, 30368468, 31348096, 37376576, 37960585, 39185120, 46720720, 48227840, 60736936, 62696192, 74753152, 75921170, 78370240, 93441440, 121473872, 125392384, 149506304, 151842340, 156740480, 186882880, 242947744, 299012608, 303684680, 313480960, 373765760, 485895488, 607369360, 626961920, 747531520, 971790976, 1214738720, 1495063040, 1943581952, 2429477440, 3887163904, 4858954880, 9717909760, 19435819520]

約数ペア:

[(1, 19435819520), (2, 9717909760), (4, 4858954880), (5, 3887163904), (8, 2429477440), (10, 1943581952), (13, 1495063040), (16, 1214738720), (20, 971790976), (26, 747531520), (31, 626961920), (32, 607369360), (40, 485895488), (52, 373765760), (62, 313480960), (64, 303684680), (65, 299012608), (80, 242947744), (104, 186882880), (124, 156740480), (128, 151842340), (130, 149506304), (155, 125392384), (160, 121473872), (208, 93441440), (248, 78370240), (256, 75921170), (260, 74753152), (310, 62696192), (320, 60736936), (403, 48227840), (416, 46720720), (496, 39185120), (512, 37960585), (520, 37376576), (620, 31348096), (640, 30368468), (806, 24113920), (832, 23360360), (992, 19592560), (1040, 18688288), (1240, 15674048), (1280, 15184234), (1612, 12056960), (1664, 11680180), (1984, 9796280), (2015, 9645568), (2080, 9344144), (2480, 7837024), (2560, 7592117), (3224, 6028480), (3328, 5840090), (3968, 4898140), (4030, 4822784), (4160, 4672072), (4960, 3918512), (6448, 3014240), (6656, 2920045), (7936, 2449070), (8060, 2411392), (8320, 2336036), (9920, 1959256), (12896, 1507120), (15872, 1224535), (16120, 1205696), (16640, 1168018), (18839, 1031680), (19840, 979628), (25792, 753560), (32240, 602848), (33280, 584009), (37678, 515840), (39680, 489814), (51584, 376780), (64480, 301424), (75356, 257920), (79360, 244907), (94195, 206336), (103168, 188390), (128960, 150712)]