18020156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 22283716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1427, 1804, 2854, 3157, 5708, 6314, 9989, 12628, 15697, 19978, 31394, 39956, 58507, 62788, 109879, 117014, 219758, 234028, 409549, 439516, 643577, 819098, 1287154, 1638196, 2574308, 4505039, 9010078, 18020156]

約数ペア:

[(1, 18020156), (2, 9010078), (4, 4505039), (7, 2574308), (11, 1638196), (14, 1287154), (22, 819098), (28, 643577), (41, 439516), (44, 409549), (77, 234028), (82, 219758), (154, 117014), (164, 109879), (287, 62788), (308, 58507), (451, 39956), (574, 31394), (902, 19978), (1148, 15697), (1427, 12628), (1804, 9989), (2854, 6314), (3157, 5708)]