18528160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 32420192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 233, 280, 284, 355, 466, 497, 560, 568, 710, 932, 994, 1120, 1136, 1165, 1420, 1631, 1864, 1988, 2272, 2330, 2485, 2840, 3262, 3728, 3976, 4660, 4970, 5680, 6524, 7456, 7952, 8155, 9320, 9940, 11360, 13048, 15904, 16310, 16543, 18640, 19880, 26096, 32620, 33086, 37280, 39760, 52192, 65240, 66172, 79520, 82715, 115801, 130480, 132344, 165430, 231602, 260960, 264688, 330860, 463204, 529376, 579005, 661720, 926408, 1158010, 1323440, 1852816, 2316020, 2646880, 3705632, 4632040, 9264080, 18528160]

約数ペア:

[(1, 18528160), (2, 9264080), (4, 4632040), (5, 3705632), (7, 2646880), (8, 2316020), (10, 1852816), (14, 1323440), (16, 1158010), (20, 926408), (28, 661720), (32, 579005), (35, 529376), (40, 463204), (56, 330860), (70, 264688), (71, 260960), (80, 231602), (112, 165430), (140, 132344), (142, 130480), (160, 115801), (224, 82715), (233, 79520), (280, 66172), (284, 65240), (355, 52192), (466, 39760), (497, 37280), (560, 33086), (568, 32620), (710, 26096), (932, 19880), (994, 18640), (1120, 16543), (1136, 16310), (1165, 15904), (1420, 13048), (1631, 11360), (1864, 9940), (1988, 9320), (2272, 8155), (2330, 7952), (2485, 7456), (2840, 6524), (3262, 5680), (3728, 4970), (3976, 4660)]