19757760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1871}}^1$

素因数の和:1902

約数の個数: 112

約数和(自身を含む): 68470272

約数和(自身を除く): 48712512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1871, 2112, 2640, 3520, 3742, 5280, 5613, 7484, 9355, 10560, 11226, 14968, 18710, 20581, 22452, 28065, 29936, 37420, 41162, 44904, 56130, 59872, 61743, 74840, 82324, 89808, 102905, 112260, 119744, 123486, 149680, 164648, 179616, 205810, 224520, 246972, 299360, 308715, 329296, 359232, 411620, 449040, 493944, 598720, 617430, 658592, 823240, 898080, 987888, 1234860, 1317184, 1646480, 1796160, 1975776, 2469720, 3292960, 3951552, 4939440, 6585920, 9878880, 19757760]

約数ペア:

[(1, 19757760), (2, 9878880), (3, 6585920), (4, 4939440), (5, 3951552), (6, 3292960), (8, 2469720), (10, 1975776), (11, 1796160), (12, 1646480), (15, 1317184), (16, 1234860), (20, 987888), (22, 898080), (24, 823240), (30, 658592), (32, 617430), (33, 598720), (40, 493944), (44, 449040), (48, 411620), (55, 359232), (60, 329296), (64, 308715), (66, 299360), (80, 246972), (88, 224520), (96, 205810), (110, 179616), (120, 164648), (132, 149680), (160, 123486), (165, 119744), (176, 112260), (192, 102905), (220, 89808), (240, 82324), (264, 74840), (320, 61743), (330, 59872), (352, 56130), (440, 44904), (480, 41162), (528, 37420), (660, 29936), (704, 28065), (880, 22452), (960, 20581), (1056, 18710), (1320, 14968), (1760, 11226), (1871, 10560), (2112, 9355), (2640, 7484), (3520, 5613), (3742, 5280)]