18828016

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 37640448

約数和(自身を除く): 18812432

約数列:

[1, 2, 4, 8, 16, 61, 101, 122, 191, 202, 244, 382, 404, 488, 764, 808, 976, 1528, 1616, 3056, 6161, 11651, 12322, 19291, 23302, 24644, 38582, 46604, 49288, 77164, 93208, 98576, 154328, 186416, 308656, 1176751, 2353502, 4707004, 9414008, 18828016]

約数ペア:

[(1, 18828016), (2, 9414008), (4, 4707004), (8, 2353502), (16, 1176751), (61, 308656), (101, 186416), (122, 154328), (191, 98576), (202, 93208), (244, 77164), (382, 49288), (404, 46604), (488, 38582), (764, 24644), (808, 23302), (976, 19291), (1528, 12322), (1616, 11651), (3056, 6161)]