18444448

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{859}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 40309920

約数和(自身を除く): 21865472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 122, 176, 244, 352, 488, 671, 859, 976, 1342, 1718, 1952, 2684, 3436, 5368, 6872, 9449, 10736, 13744, 18898, 21472, 27488, 37796, 52399, 75592, 104798, 151184, 209596, 302368, 419192, 576389, 838384, 1152778, 1676768, 2305556, 4611112, 9222224, 18444448]

約数ペア:

[(1, 18444448), (2, 9222224), (4, 4611112), (8, 2305556), (11, 1676768), (16, 1152778), (22, 838384), (32, 576389), (44, 419192), (61, 302368), (88, 209596), (122, 151184), (176, 104798), (244, 75592), (352, 52399), (488, 37796), (671, 27488), (859, 21472), (976, 18898), (1342, 13744), (1718, 10736), (1952, 9449), (2684, 6872), (3436, 5368)]