18487788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 47343744

約数和(自身を除く): 28855956

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 227, 454, 617, 681, 908, 1234, 1362, 1851, 2468, 2497, 2724, 3702, 4994, 6787, 7404, 7491, 9988, 13574, 14982, 20361, 27148, 29964, 40722, 81444, 140059, 280118, 420177, 560236, 840354, 1540649, 1680708, 3081298, 4621947, 6162596, 9243894, 18487788]

約数ペア:

[(1, 18487788), (2, 9243894), (3, 6162596), (4, 4621947), (6, 3081298), (11, 1680708), (12, 1540649), (22, 840354), (33, 560236), (44, 420177), (66, 280118), (132, 140059), (227, 81444), (454, 40722), (617, 29964), (681, 27148), (908, 20361), (1234, 14982), (1362, 13574), (1851, 9988), (2468, 7491), (2497, 7404), (2724, 6787), (3702, 4994)]