18237736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 40279680

約数和(自身を除く): 22041944

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 73, 88, 136, 146, 167, 187, 292, 334, 374, 584, 668, 748, 803, 1241, 1336, 1496, 1606, 1837, 2482, 2839, 3212, 3674, 4964, 5678, 6424, 7348, 9928, 11356, 12191, 13651, 14696, 22712, 24382, 27302, 31229, 48764, 54604, 62458, 97528, 109208, 124916, 134101, 207247, 249832, 268202, 414494, 536404, 828988, 1072808, 1657976, 2279717, 4559434, 9118868, 18237736]

約数ペア:

[(1, 18237736), (2, 9118868), (4, 4559434), (8, 2279717), (11, 1657976), (17, 1072808), (22, 828988), (34, 536404), (44, 414494), (68, 268202), (73, 249832), (88, 207247), (136, 134101), (146, 124916), (167, 109208), (187, 97528), (292, 62458), (334, 54604), (374, 48764), (584, 31229), (668, 27302), (748, 24382), (803, 22712), (1241, 14696), (1336, 13651), (1496, 12191), (1606, 11356), (1837, 9928), (2482, 7348), (2839, 6424), (3212, 5678), (3674, 4964)]