19880498535

素因数分解:

$3^1\times 5^1\times {\mathrm{8971}}^1\times {\mathrm{147739}}^1$

素因数の和:156718

約数の個数: 16

約数和(自身を含む): 31812558720

約数和(自身を除く): 11932060185

約数列:

[1, 3, 5, 15, 8971, 26913, 44855, 134565, 147739, 443217, 738695, 2216085, 1325366569, 3976099707, 6626832845, 19880498535]

約数ペア:

[(1, 19880498535), (3, 6626832845), (5, 3976099707), (15, 1325366569), (8971, 2216085), (26913, 738695), (44855, 443217), (134565, 147739)]