19554080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 60963840

約数和(自身を除く): 41409760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 65, 68, 70, 79, 80, 85, 91, 104, 112, 119, 130, 136, 140, 158, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 316, 340, 364, 395, 416, 442, 455, 476, 520, 544, 553, 560, 595, 632, 680, 728, 790, 884, 910, 952, 1027, 1040, 1105, 1106, 1120, 1190, 1264, 1343, 1360, 1456, 1547, 1580, 1768, 1820, 1904, 2054, 2080, 2210, 2212, 2380, 2528, 2686, 2720, 2765, 2912, 3094, 3160, 3536, 3640, 3808, 4108, 4420, 4424, 4760, 5135, 5372, 5530, 6188, 6320, 6715, 7072, 7189, 7280, 7735, 8216, 8840, 8848, 9401, 9520, 10270, 10744, 11060, 12376, 12640, 13430, 14378, 14560, 15470, 16432, 17459, 17680, 17696, 18802, 19040, 20540, 21488, 22120, 24752, 26860, 28756, 30940, 32864, 34918, 35360, 35945, 37604, 41080, 42976, 44240, 47005, 49504, 53720, 57512, 61880, 69836, 71890, 75208, 82160, 87295, 88480, 94010, 107440, 115024, 122213, 123760, 139672, 143780, 150416, 164320, 174590, 188020, 214880, 230048, 244426, 247520, 279344, 287560, 300832, 349180, 376040, 488852, 558688, 575120, 611065, 698360, 752080, 977704, 1150240, 1222130, 1396720, 1504160, 1955408, 2444260, 2793440, 3910816, 4888520, 9777040, 19554080]

約数ペア:

[(1, 19554080), (2, 9777040), (4, 4888520), (5, 3910816), (7, 2793440), (8, 2444260), (10, 1955408), (13, 1504160), (14, 1396720), (16, 1222130), (17, 1150240), (20, 977704), (26, 752080), (28, 698360), (32, 611065), (34, 575120), (35, 558688), (40, 488852), (52, 376040), (56, 349180), (65, 300832), (68, 287560), (70, 279344), (79, 247520), (80, 244426), (85, 230048), (91, 214880), (104, 188020), (112, 174590), (119, 164320), (130, 150416), (136, 143780), (140, 139672), (158, 123760), (160, 122213), (170, 115024), (182, 107440), (208, 94010), (221, 88480), (224, 87295), (238, 82160), (260, 75208), (272, 71890), (280, 69836), (316, 61880), (340, 57512), (364, 53720), (395, 49504), (416, 47005), (442, 44240), (455, 42976), (476, 41080), (520, 37604), (544, 35945), (553, 35360), (560, 34918), (595, 32864), (632, 30940), (680, 28756), (728, 26860), (790, 24752), (884, 22120), (910, 21488), (952, 20540), (1027, 19040), (1040, 18802), (1105, 17696), (1106, 17680), (1120, 17459), (1190, 16432), (1264, 15470), (1343, 14560), (1360, 14378), (1456, 13430), (1547, 12640), (1580, 12376), (1768, 11060), (1820, 10744), (1904, 10270), (2054, 9520), (2080, 9401), (2210, 8848), (2212, 8840), (2380, 8216), (2528, 7735), (2686, 7280), (2720, 7189), (2765, 7072), (2912, 6715), (3094, 6320), (3160, 6188), (3536, 5530), (3640, 5372), (3808, 5135), (4108, 4760), (4420, 4424)]