18378784

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 19554272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 97, 124, 191, 194, 248, 382, 388, 496, 764, 776, 992, 1528, 1552, 3007, 3056, 3104, 5921, 6014, 6112, 11842, 12028, 18527, 23684, 24056, 37054, 47368, 48112, 74108, 94736, 96224, 148216, 189472, 296432, 574337, 592864, 1148674, 2297348, 4594696, 9189392, 18378784]

約数ペア:

[(1, 18378784), (2, 9189392), (4, 4594696), (8, 2297348), (16, 1148674), (31, 592864), (32, 574337), (62, 296432), (97, 189472), (124, 148216), (191, 96224), (194, 94736), (248, 74108), (382, 48112), (388, 47368), (496, 37054), (764, 24056), (776, 23684), (992, 18527), (1528, 12028), (1552, 11842), (3007, 6112), (3056, 6014), (3104, 5921)]