20358918

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19843}}^1$

素因数の和:19873

約数の個数: 32

約数和(自身を含む): 47625600

約数和(自身を除く): 27266682

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19843, 39686, 59529, 119058, 178587, 357174, 377017, 535761, 754034, 1071522, 1131051, 2262102, 3393153, 6786306, 10179459, 20358918]

約数ペア:

[(1, 20358918), (2, 10179459), (3, 6786306), (6, 3393153), (9, 2262102), (18, 1131051), (19, 1071522), (27, 754034), (38, 535761), (54, 377017), (57, 357174), (114, 178587), (171, 119058), (342, 59529), (513, 39686), (1026, 19843)]