19875108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 53845344

約数和(自身を除く): 33970236

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 289, 374, 521, 561, 578, 748, 867, 1042, 1122, 1156, 1563, 1734, 2084, 2244, 3126, 3179, 3468, 5731, 6252, 6358, 8857, 9537, 11462, 12716, 17193, 17714, 19074, 22924, 26571, 34386, 35428, 38148, 53142, 68772, 97427, 106284, 150569, 194854, 292281, 301138, 389708, 451707, 584562, 602276, 903414, 1169124, 1656259, 1806828, 3312518, 4968777, 6625036, 9937554, 19875108]

約数ペア:

[(1, 19875108), (2, 9937554), (3, 6625036), (4, 4968777), (6, 3312518), (11, 1806828), (12, 1656259), (17, 1169124), (22, 903414), (33, 602276), (34, 584562), (44, 451707), (51, 389708), (66, 301138), (68, 292281), (102, 194854), (132, 150569), (187, 106284), (204, 97427), (289, 68772), (374, 53142), (521, 38148), (561, 35428), (578, 34386), (748, 26571), (867, 22924), (1042, 19074), (1122, 17714), (1156, 17193), (1563, 12716), (1734, 11462), (2084, 9537), (2244, 8857), (3126, 6358), (3179, 6252), (3468, 5731)]