18188328

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 28986072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 79, 106, 158, 159, 181, 212, 237, 316, 318, 362, 424, 474, 543, 632, 636, 724, 948, 1086, 1272, 1448, 1896, 2172, 4187, 4344, 8374, 9593, 12561, 14299, 16748, 19186, 25122, 28598, 28779, 33496, 38372, 42897, 50244, 57196, 57558, 76744, 85794, 100488, 114392, 115116, 171588, 230232, 343176, 757847, 1515694, 2273541, 3031388, 4547082, 6062776, 9094164, 18188328]

約数ペア:

[(1, 18188328), (2, 9094164), (3, 6062776), (4, 4547082), (6, 3031388), (8, 2273541), (12, 1515694), (24, 757847), (53, 343176), (79, 230232), (106, 171588), (158, 115116), (159, 114392), (181, 100488), (212, 85794), (237, 76744), (316, 57558), (318, 57196), (362, 50244), (424, 42897), (474, 38372), (543, 33496), (632, 28779), (636, 28598), (724, 25122), (948, 19186), (1086, 16748), (1272, 14299), (1448, 12561), (1896, 9593), (2172, 8374), (4187, 4344)]