18764812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1013}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 35944272

約数和(自身を除く): 17179460

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1013, 1684, 2026, 4052, 4631, 9262, 11143, 18524, 22286, 44572, 426473, 852946, 1705892, 4691203, 9382406, 18764812]

約数ペア:

[(1, 18764812), (2, 9382406), (4, 4691203), (11, 1705892), (22, 852946), (44, 426473), (421, 44572), (842, 22286), (1013, 18524), (1684, 11143), (2026, 9262), (4052, 4631)]