18612490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4937}}^1$

素因数の和:4986

約数の個数: 32

約数和(自身を含む): 37331280

約数和(自身を除く): 18718790

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 4937, 9874, 24685, 49370, 64181, 128362, 143173, 286346, 320905, 641810, 715865, 1431730, 1861249, 3722498, 9306245, 18612490]

約数ペア:

[(1, 18612490), (2, 9306245), (5, 3722498), (10, 1861249), (13, 1431730), (26, 715865), (29, 641810), (58, 320905), (65, 286346), (130, 143173), (145, 128362), (290, 64181), (377, 49370), (754, 24685), (1885, 9874), (3770, 4937)]