18015790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 35209440

約数和(自身を除く): 17193650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 997, 1390, 1807, 1994, 3614, 4985, 9035, 9970, 12961, 18070, 25922, 64805, 129610, 138583, 277166, 692915, 1385830, 1801579, 3603158, 9007895, 18015790]

約数ペア:

[(1, 18015790), (2, 9007895), (5, 3603158), (10, 1801579), (13, 1385830), (26, 692915), (65, 277166), (130, 138583), (139, 129610), (278, 64805), (695, 25922), (997, 18070), (1390, 12961), (1807, 9970), (1994, 9035), (3614, 4985)]