18015946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 31062528

約数和(自身を除く): 13046582

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 641, 1081, 1222, 1282, 2162, 8333, 14053, 14743, 16666, 28106, 29486, 30127, 60254, 191659, 383318, 391651, 692921, 783302, 1385842, 9007973, 18015946]

約数ペア:

[(1, 18015946), (2, 9007973), (13, 1385842), (23, 783302), (26, 692921), (46, 391651), (47, 383318), (94, 191659), (299, 60254), (598, 30127), (611, 29486), (641, 28106), (1081, 16666), (1222, 14743), (1282, 14053), (2162, 8333)]