18734852975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{10589}}^1$

素因数の和:10820

約数の個数: 48

約数和(自身を含む): 25811472960

約数和(自身を除く): 7076619985

約数列:

[1, 5, 17, 23, 25, 85, 115, 181, 391, 425, 575, 905, 1955, 3077, 4163, 4525, 9775, 10589, 15385, 20815, 52945, 70771, 76925, 104075, 180013, 243547, 264725, 353855, 900065, 1217735, 1769275, 1916609, 4140299, 4500325, 6088675, 9583045, 20701495, 32582353, 44082007, 47915225, 103507475, 162911765, 220410035, 749394119, 814558825, 1102050175, 3746970595, 18734852975]

約数ペア:

[(1, 18734852975), (5, 3746970595), (17, 1102050175), (23, 814558825), (25, 749394119), (85, 220410035), (115, 162911765), (181, 103507475), (391, 47915225), (425, 44082007), (575, 32582353), (905, 20701495), (1955, 9583045), (3077, 6088675), (4163, 4500325), (4525, 4140299), (9775, 1916609), (10589, 1769275), (15385, 1217735), (20815, 900065), (52945, 353855), (70771, 264725), (76925, 243547), (104075, 180013)]