17747860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68261}}^1$

素因数の和:68283

約数の個数: 24

約数和(自身を含む): 40138056

約数和(自身を除く): 22390196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68261, 136522, 273044, 341305, 682610, 887393, 1365220, 1774786, 3549572, 4436965, 8873930, 17747860]

約数ペア:

[(1, 17747860), (2, 8873930), (4, 4436965), (5, 3549572), (10, 1774786), (13, 1365220), (20, 887393), (26, 682610), (52, 341305), (65, 273044), (130, 136522), (260, 68261)]