1811553968

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{703243}}^1$

素因数の和:703281

約数の個数: 40

約数和(自身を含む): 4185708288

約数和(自身を除く): 2374154320

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 703243, 1406486, 2812972, 4922701, 5625944, 9845402, 11251888, 16174589, 19690804, 32349178, 39381608, 64698356, 78763216, 113222123, 129396712, 226444246, 258793424, 452888492, 905776984, 1811553968]

約数ペア:

[(1, 1811553968), (2, 905776984), (4, 452888492), (7, 258793424), (8, 226444246), (14, 129396712), (16, 113222123), (23, 78763216), (28, 64698356), (46, 39381608), (56, 32349178), (92, 19690804), (112, 16174589), (161, 11251888), (184, 9845402), (322, 5625944), (368, 4922701), (644, 2812972), (1288, 1406486), (2576, 703243)]