18913876490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1340459}}^1$

素因数の和:1340566

約数の個数: 32

約数和(自身を含む): 36481959360

約数和(自身を除く): 17568082870

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 2822, 7055, 14110, 1340459, 2680918, 6702295, 13404590, 22787803, 45575606, 111258097, 113939015, 222516194, 227878030, 556290485, 1112580970, 1891387649, 3782775298, 9456938245, 18913876490]

約数ペア:

[(1, 18913876490), (2, 9456938245), (5, 3782775298), (10, 1891387649), (17, 1112580970), (34, 556290485), (83, 227878030), (85, 222516194), (166, 113939015), (170, 111258097), (415, 45575606), (830, 22787803), (1411, 13404590), (2822, 6702295), (7055, 2680918), (14110, 1340459)]