18644860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71711}}^1$

素因数の和:71733

約数の個数: 24

約数和(自身を含む): 42166656

約数和(自身を除く): 23521796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71711, 143422, 286844, 358555, 717110, 932243, 1434220, 1864486, 3728972, 4661215, 9322430, 18644860]

約数ペア:

[(1, 18644860), (2, 9322430), (4, 4661215), (5, 3728972), (10, 1864486), (13, 1434220), (20, 932243), (26, 717110), (52, 358555), (65, 286844), (130, 143422), (260, 71711)]