18446870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 38063088

約数和(自身を除く): 19616218

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 491, 578, 982, 1105, 1445, 2210, 2455, 2890, 3757, 4910, 6383, 7514, 8347, 12766, 16694, 18785, 31915, 37570, 41735, 63830, 83470, 108511, 141899, 217022, 283798, 542555, 709495, 1085110, 1418990, 1844687, 3689374, 9223435, 18446870]

約数ペア:

[(1, 18446870), (2, 9223435), (5, 3689374), (10, 1844687), (13, 1418990), (17, 1085110), (26, 709495), (34, 542555), (65, 283798), (85, 217022), (130, 141899), (170, 108511), (221, 83470), (289, 63830), (442, 41735), (491, 37570), (578, 31915), (982, 18785), (1105, 16694), (1445, 12766), (2210, 8347), (2455, 7514), (2890, 6383), (3757, 4910)]