19870038

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2699}}^1$

素因数の和:3116

約数の個数: 24

約数和(自身を含む): 43173000

約数和(自身を除く): 23302962

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2699, 3681, 5398, 7362, 8097, 16194, 24291, 48582, 1103891, 2207782, 3311673, 6623346, 9935019, 19870038]

約数ペア:

[(1, 19870038), (2, 9935019), (3, 6623346), (6, 3311673), (9, 2207782), (18, 1103891), (409, 48582), (818, 24291), (1227, 16194), (2454, 8097), (2699, 7362), (3681, 5398)]