18355472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1671

約数の個数: 40

約数和(自身を含む): 38330880

約数和(自身を除く): 19975408

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1609, 2852, 3218, 5704, 6436, 11408, 12872, 25744, 37007, 49879, 74014, 99758, 148028, 199516, 296056, 399032, 592112, 798064, 1147217, 2294434, 4588868, 9177736, 18355472]

約数ペア:

[(1, 18355472), (2, 9177736), (4, 4588868), (8, 2294434), (16, 1147217), (23, 798064), (31, 592112), (46, 399032), (62, 296056), (92, 199516), (124, 148028), (184, 99758), (248, 74014), (368, 49879), (496, 37007), (713, 25744), (1426, 12872), (1609, 11408), (2852, 6436), (3218, 5704)]