19630593

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 31058280

約数和(自身を除く): 11427687

約数列:

[1, 3, 9, 27, 29, 61, 81, 87, 137, 183, 261, 411, 549, 783, 1233, 1647, 1769, 2349, 3699, 3973, 4941, 5307, 8357, 11097, 11919, 15921, 25071, 35757, 47763, 75213, 107271, 143289, 225639, 242353, 321813, 676917, 727059, 2181177, 6543531, 19630593]

約数ペア:

[(1, 19630593), (3, 6543531), (9, 2181177), (27, 727059), (29, 676917), (61, 321813), (81, 242353), (87, 225639), (137, 143289), (183, 107271), (261, 75213), (411, 47763), (549, 35757), (783, 25071), (1233, 15921), (1647, 11919), (1769, 11097), (2349, 8357), (3699, 5307), (3973, 4941)]