18959368

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 36432000

約数和(自身を除く): 17472632

約数列:

[1, 2, 4, 8, 79, 131, 158, 229, 262, 316, 458, 524, 632, 916, 1048, 1832, 10349, 18091, 20698, 29999, 36182, 41396, 59998, 72364, 82792, 119996, 144728, 239992, 2369921, 4739842, 9479684, 18959368]

約数ペア:

[(1, 18959368), (2, 9479684), (4, 4739842), (8, 2369921), (79, 239992), (131, 144728), (158, 119996), (229, 82792), (262, 72364), (316, 59998), (458, 41396), (524, 36182), (632, 29999), (916, 20698), (1048, 18091), (1832, 10349)]