18086728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4373}}^1$

素因数の和:4437

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 19704632

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4373, 8746, 17492, 34984, 48103, 96206, 192412, 205531, 384824, 411062, 822124, 1644248, 2260841, 4521682, 9043364, 18086728]

約数ペア:

[(1, 18086728), (2, 9043364), (4, 4521682), (8, 2260841), (11, 1644248), (22, 822124), (44, 411062), (47, 384824), (88, 205531), (94, 192412), (188, 96206), (376, 48103), (517, 34984), (1034, 17492), (2068, 8746), (4136, 4373)]