15988891438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{89657}}^1$

素因数の和:89729

約数の個数: 32

約数和(自身を含む): 27263204640

約数和(自身を除く): 11274313202

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 4693, 6859, 9386, 13718, 89167, 89657, 178334, 179314, 1165541, 1703483, 2331082, 3406966, 22145279, 32366177, 44290558, 64732354, 420760301, 614957363, 841520602, 1229914726, 7994445719, 15988891438]

約数ペア:

[(1, 15988891438), (2, 7994445719), (13, 1229914726), (19, 841520602), (26, 614957363), (38, 420760301), (247, 64732354), (361, 44290558), (494, 32366177), (722, 22145279), (4693, 3406966), (6859, 2331082), (9386, 1703483), (13718, 1165541), (89167, 179314), (89657, 178334)]