19467776

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:874

約数の個数: 40

約数和(自身を含む): 39774240

約数和(自身を除く): 20306464

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 809, 1504, 1618, 3008, 3236, 6016, 6472, 12032, 12944, 24064, 25888, 38023, 51776, 76046, 103552, 152092, 207104, 304184, 414208, 608368, 1216736, 2433472, 4866944, 9733888, 19467776]

約数ペア:

[(1, 19467776), (2, 9733888), (4, 4866944), (8, 2433472), (16, 1216736), (32, 608368), (47, 414208), (64, 304184), (94, 207104), (128, 152092), (188, 103552), (256, 76046), (376, 51776), (512, 38023), (752, 25888), (809, 24064), (1504, 12944), (1618, 12032), (3008, 6472), (3236, 6016)]