19730440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 46753200

約数和(自身を除く): 27022760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 233, 290, 292, 365, 466, 580, 584, 730, 932, 1160, 1165, 1460, 1864, 2117, 2330, 2920, 4234, 4660, 6757, 8468, 9320, 10585, 13514, 16936, 17009, 21170, 27028, 33785, 34018, 42340, 54056, 67570, 68036, 84680, 85045, 135140, 136072, 170090, 270280, 340180, 493261, 680360, 986522, 1973044, 2466305, 3946088, 4932610, 9865220, 19730440]

約数ペア:

[(1, 19730440), (2, 9865220), (4, 4932610), (5, 3946088), (8, 2466305), (10, 1973044), (20, 986522), (29, 680360), (40, 493261), (58, 340180), (73, 270280), (116, 170090), (145, 136072), (146, 135140), (232, 85045), (233, 84680), (290, 68036), (292, 67570), (365, 54056), (466, 42340), (580, 34018), (584, 33785), (730, 27028), (932, 21170), (1160, 17009), (1165, 16936), (1460, 13514), (1864, 10585), (2117, 9320), (2330, 8468), (2920, 6757), (4234, 4660)]