18884320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1332

約数の個数: 96

約数和(自身を含む): 54952128

約数和(自身を除く): 36067808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1297, 1456, 1820, 2080, 2594, 2912, 3640, 5188, 6485, 7280, 9079, 10376, 12970, 14560, 16861, 18158, 20752, 25940, 33722, 36316, 41504, 45395, 51880, 67444, 72632, 84305, 90790, 103760, 118027, 134888, 145264, 168610, 181580, 207520, 236054, 269776, 290528, 337220, 363160, 472108, 539552, 590135, 674440, 726320, 944216, 1180270, 1348880, 1452640, 1888432, 2360540, 2697760, 3776864, 4721080, 9442160, 18884320]

約数ペア:

[(1, 18884320), (2, 9442160), (4, 4721080), (5, 3776864), (7, 2697760), (8, 2360540), (10, 1888432), (13, 1452640), (14, 1348880), (16, 1180270), (20, 944216), (26, 726320), (28, 674440), (32, 590135), (35, 539552), (40, 472108), (52, 363160), (56, 337220), (65, 290528), (70, 269776), (80, 236054), (91, 207520), (104, 181580), (112, 168610), (130, 145264), (140, 134888), (160, 118027), (182, 103760), (208, 90790), (224, 84305), (260, 72632), (280, 67444), (364, 51880), (416, 45395), (455, 41504), (520, 36316), (560, 33722), (728, 25940), (910, 20752), (1040, 18158), (1120, 16861), (1297, 14560), (1456, 12970), (1820, 10376), (2080, 9079), (2594, 7280), (2912, 6485), (3640, 5188)]