18264981

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 10627179

約数列:

[1, 3, 7, 21, 43, 113, 129, 179, 301, 339, 537, 791, 903, 1253, 2373, 3759, 4859, 7697, 14577, 20227, 23091, 34013, 53879, 60681, 102039, 141589, 161637, 424767, 869761, 2609283, 6088327, 18264981]

約数ペア:

[(1, 18264981), (3, 6088327), (7, 2609283), (21, 869761), (43, 424767), (113, 161637), (129, 141589), (179, 102039), (301, 60681), (339, 53879), (537, 34013), (791, 23091), (903, 20227), (1253, 14577), (2373, 7697), (3759, 4859)]