18189206

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 14573674

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 631, 994, 1262, 2059, 4118, 4417, 8834, 14413, 18299, 28826, 36598, 44801, 89602, 128093, 256186, 313607, 627214, 1299229, 2598458, 9094603, 18189206]

約数ペア:

[(1, 18189206), (2, 9094603), (7, 2598458), (14, 1299229), (29, 627214), (58, 313607), (71, 256186), (142, 128093), (203, 89602), (406, 44801), (497, 36598), (631, 28826), (994, 18299), (1262, 14413), (2059, 8834), (4118, 4417)]