30786878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11411}}^1$

素因数の和:11503

約数の個数: 16

約数和(自身を含む): 49299840

約数和(自身を除く): 18512962

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 11411, 22822, 216809, 433618, 810181, 1620362, 15393439, 30786878]

約数ペア:

[(1, 30786878), (2, 15393439), (19, 1620362), (38, 810181), (71, 433618), (142, 216809), (1349, 22822), (2698, 11411)]