31969730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18917}}^1$

素因数の和:18950

約数の個数: 24

約数和(自身を含む): 62315892

約数和(自身を除く): 30346162

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18917, 37834, 94585, 189170, 245921, 491842, 1229605, 2459210, 3196973, 6393946, 15984865, 31969730]

約数ペア:

[(1, 31969730), (2, 15984865), (5, 6393946), (10, 3196973), (13, 2459210), (26, 1229605), (65, 491842), (130, 245921), (169, 189170), (338, 94585), (845, 37834), (1690, 18917)]