18942612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3968

約数の個数: 48

約数和(自身を含む): 49147392

約数和(自身を除く): 30204780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 3917, 4836, 7834, 11751, 15668, 23502, 47004, 50921, 101842, 121427, 152763, 203684, 242854, 305526, 364281, 485708, 611052, 728562, 1457124, 1578551, 3157102, 4735653, 6314204, 9471306, 18942612]

約数ペア:

[(1, 18942612), (2, 9471306), (3, 6314204), (4, 4735653), (6, 3157102), (12, 1578551), (13, 1457124), (26, 728562), (31, 611052), (39, 485708), (52, 364281), (62, 305526), (78, 242854), (93, 203684), (124, 152763), (156, 121427), (186, 101842), (372, 50921), (403, 47004), (806, 23502), (1209, 15668), (1612, 11751), (2418, 7834), (3917, 4836)]