22181648

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 44740440

約数和(自身を除く): 22558792

約数列:

[1, 2, 4, 8, 16, 37, 74, 89, 148, 178, 296, 356, 421, 592, 712, 842, 1424, 1684, 3293, 3368, 6586, 6736, 13172, 15577, 26344, 31154, 37469, 52688, 62308, 74938, 124616, 149876, 249232, 299752, 599504, 1386353, 2772706, 5545412, 11090824, 22181648]

約数ペア:

[(1, 22181648), (2, 11090824), (4, 5545412), (8, 2772706), (16, 1386353), (37, 599504), (74, 299752), (89, 249232), (148, 149876), (178, 124616), (296, 74938), (356, 62308), (421, 52688), (592, 37469), (712, 31154), (842, 26344), (1424, 15577), (1684, 13172), (3293, 6736), (3368, 6586)]