19249893

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 31447416

約数和(自身を除く): 12197523

約数列:

[1, 3, 9, 13, 27, 39, 81, 101, 117, 181, 303, 351, 543, 909, 1053, 1313, 1629, 2353, 2727, 3939, 4887, 7059, 8181, 11817, 14661, 18281, 21177, 35451, 54843, 63531, 106353, 164529, 190593, 237653, 493587, 712959, 1480761, 2138877, 6416631, 19249893]

約数ペア:

[(1, 19249893), (3, 6416631), (9, 2138877), (13, 1480761), (27, 712959), (39, 493587), (81, 237653), (101, 190593), (117, 164529), (181, 106353), (303, 63531), (351, 54843), (543, 35451), (909, 21177), (1053, 18281), (1313, 14661), (1629, 11817), (2353, 8181), (2727, 7059), (3939, 4887)]