18043388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 18728452

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 113, 191, 209, 226, 382, 418, 452, 764, 836, 1243, 2101, 2147, 2486, 3629, 4202, 4294, 4972, 7258, 8404, 8588, 14516, 21583, 23617, 39919, 43166, 47234, 79838, 86332, 94468, 159676, 237413, 410077, 474826, 820154, 949652, 1640308, 4510847, 9021694, 18043388]

約数ペア:

[(1, 18043388), (2, 9021694), (4, 4510847), (11, 1640308), (19, 949652), (22, 820154), (38, 474826), (44, 410077), (76, 237413), (113, 159676), (191, 94468), (209, 86332), (226, 79838), (382, 47234), (418, 43166), (452, 39919), (764, 23617), (836, 21583), (1243, 14516), (2101, 8588), (2147, 8404), (2486, 7258), (3629, 4972), (4202, 4294)]