18923163

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 29644560

約数和(自身を除く): 10721397

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 1181, 2289, 3543, 5341, 8267, 16023, 24801, 57869, 128729, 173607, 386187, 901103, 2703309, 6307721, 18923163]

約数ペア:

[(1, 18923163), (3, 6307721), (7, 2703309), (21, 901103), (49, 386187), (109, 173607), (147, 128729), (327, 57869), (763, 24801), (1181, 16023), (2289, 8267), (3543, 5341)]