18380456

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 35328000

約数和(自身を除く): 16947544

約数列:

[1, 2, 4, 8, 79, 127, 158, 229, 254, 316, 458, 508, 632, 916, 1016, 1832, 10033, 18091, 20066, 29083, 36182, 40132, 58166, 72364, 80264, 116332, 144728, 232664, 2297557, 4595114, 9190228, 18380456]

約数ペア:

[(1, 18380456), (2, 9190228), (4, 4595114), (8, 2297557), (79, 232664), (127, 144728), (158, 116332), (229, 80264), (254, 72364), (316, 58166), (458, 40132), (508, 36182), (632, 29083), (916, 20066), (1016, 18091), (1832, 10033)]