18205512

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 53222400

約数和(自身を除く): 35016888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 43, 46, 52, 59, 69, 78, 86, 92, 104, 118, 129, 138, 156, 172, 177, 184, 236, 258, 276, 299, 312, 344, 354, 472, 516, 552, 559, 598, 708, 767, 897, 989, 1032, 1118, 1196, 1357, 1416, 1534, 1677, 1794, 1978, 2236, 2301, 2392, 2537, 2714, 2967, 3068, 3354, 3588, 3956, 4071, 4472, 4602, 5074, 5428, 5934, 6136, 6708, 7176, 7611, 7912, 8142, 9204, 10148, 10856, 11868, 12857, 13416, 15222, 16284, 17641, 18408, 20296, 23736, 25714, 30444, 32568, 32981, 35282, 38571, 51428, 52923, 58351, 60888, 65962, 70564, 77142, 98943, 102856, 105846, 116702, 131924, 141128, 154284, 175053, 197886, 211692, 233404, 263848, 308568, 350106, 395772, 423384, 466808, 700212, 758563, 791544, 1400424, 1517126, 2275689, 3034252, 4551378, 6068504, 9102756, 18205512]

約数ペア:

[(1, 18205512), (2, 9102756), (3, 6068504), (4, 4551378), (6, 3034252), (8, 2275689), (12, 1517126), (13, 1400424), (23, 791544), (24, 758563), (26, 700212), (39, 466808), (43, 423384), (46, 395772), (52, 350106), (59, 308568), (69, 263848), (78, 233404), (86, 211692), (92, 197886), (104, 175053), (118, 154284), (129, 141128), (138, 131924), (156, 116702), (172, 105846), (177, 102856), (184, 98943), (236, 77142), (258, 70564), (276, 65962), (299, 60888), (312, 58351), (344, 52923), (354, 51428), (472, 38571), (516, 35282), (552, 32981), (559, 32568), (598, 30444), (708, 25714), (767, 23736), (897, 20296), (989, 18408), (1032, 17641), (1118, 16284), (1196, 15222), (1357, 13416), (1416, 12857), (1534, 11868), (1677, 10856), (1794, 10148), (1978, 9204), (2236, 8142), (2301, 7912), (2392, 7611), (2537, 7176), (2714, 6708), (2967, 6136), (3068, 5934), (3354, 5428), (3588, 5074), (3956, 4602), (4071, 4472)]