18510768

素因数分解:

$2^4\times 3^7\times {\mathrm{23}}^2$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 56229040

約数和(自身を除く): 37718272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 138, 144, 162, 184, 207, 216, 243, 276, 324, 368, 414, 432, 486, 529, 552, 621, 648, 729, 828, 972, 1058, 1104, 1242, 1296, 1458, 1587, 1656, 1863, 1944, 2116, 2187, 2484, 2916, 3174, 3312, 3726, 3888, 4232, 4374, 4761, 4968, 5589, 5832, 6348, 7452, 8464, 8748, 9522, 9936, 11178, 11664, 12696, 14283, 14904, 16767, 17496, 19044, 22356, 25392, 28566, 29808, 33534, 34992, 38088, 42849, 44712, 50301, 57132, 67068, 76176, 85698, 89424, 100602, 114264, 128547, 134136, 171396, 201204, 228528, 257094, 268272, 342792, 385641, 402408, 514188, 685584, 771282, 804816, 1028376, 1156923, 1542564, 2056752, 2313846, 3085128, 4627692, 6170256, 9255384, 18510768]

約数ペア:

[(1, 18510768), (2, 9255384), (3, 6170256), (4, 4627692), (6, 3085128), (8, 2313846), (9, 2056752), (12, 1542564), (16, 1156923), (18, 1028376), (23, 804816), (24, 771282), (27, 685584), (36, 514188), (46, 402408), (48, 385641), (54, 342792), (69, 268272), (72, 257094), (81, 228528), (92, 201204), (108, 171396), (138, 134136), (144, 128547), (162, 114264), (184, 100602), (207, 89424), (216, 85698), (243, 76176), (276, 67068), (324, 57132), (368, 50301), (414, 44712), (432, 42849), (486, 38088), (529, 34992), (552, 33534), (621, 29808), (648, 28566), (729, 25392), (828, 22356), (972, 19044), (1058, 17496), (1104, 16767), (1242, 14904), (1296, 14283), (1458, 12696), (1587, 11664), (1656, 11178), (1863, 9936), (1944, 9522), (2116, 8748), (2187, 8464), (2484, 7452), (2916, 6348), (3174, 5832), (3312, 5589), (3726, 4968), (3888, 4761), (4232, 4374)]