31217912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18671}}^1$

素因数の和:18707

約数の個数: 32

約数和(自身を含む): 67219200

約数和(自身を除く): 36001288

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 18671, 37342, 74684, 149368, 205381, 354749, 410762, 709498, 821524, 1418996, 1643048, 2837992, 3902239, 7804478, 15608956, 31217912]

約数ペア:

[(1, 31217912), (2, 15608956), (4, 7804478), (8, 3902239), (11, 2837992), (19, 1643048), (22, 1418996), (38, 821524), (44, 709498), (76, 410762), (88, 354749), (152, 205381), (209, 149368), (418, 74684), (836, 37342), (1672, 18671)]