18161536

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 21006464

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 199, 248, 368, 398, 496, 713, 736, 796, 992, 1426, 1472, 1592, 1984, 2852, 2944, 3184, 3968, 4577, 5704, 6169, 6368, 9154, 11408, 12338, 12736, 18308, 22816, 24676, 25472, 36616, 45632, 49352, 73232, 91264, 98704, 141887, 146464, 197408, 283774, 292928, 394816, 567548, 585856, 789632, 1135096, 2270192, 4540384, 9080768, 18161536]

約数ペア:

[(1, 18161536), (2, 9080768), (4, 4540384), (8, 2270192), (16, 1135096), (23, 789632), (31, 585856), (32, 567548), (46, 394816), (62, 292928), (64, 283774), (92, 197408), (124, 146464), (128, 141887), (184, 98704), (199, 91264), (248, 73232), (368, 49352), (398, 45632), (496, 36616), (713, 25472), (736, 24676), (796, 22816), (992, 18308), (1426, 12736), (1472, 12338), (1592, 11408), (1984, 9154), (2852, 6368), (2944, 6169), (3184, 5704), (3968, 4577)]