18122656

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:797

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 20403104

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 727, 779, 1312, 1454, 1558, 2908, 3116, 5816, 6232, 11632, 12464, 13813, 23264, 24928, 27626, 29807, 55252, 59614, 110504, 119228, 221008, 238456, 442016, 476912, 566333, 953824, 1132666, 2265332, 4530664, 9061328, 18122656]

約数ペア:

[(1, 18122656), (2, 9061328), (4, 4530664), (8, 2265332), (16, 1132666), (19, 953824), (32, 566333), (38, 476912), (41, 442016), (76, 238456), (82, 221008), (152, 119228), (164, 110504), (304, 59614), (328, 55252), (608, 29807), (656, 27626), (727, 24928), (779, 23264), (1312, 13813), (1454, 12464), (1558, 11632), (2908, 6232), (3116, 5816)]