18459861

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 10847019

約数列:

[1, 3, 7, 21, 47, 59, 141, 177, 317, 329, 413, 951, 987, 1239, 2219, 2773, 6657, 8319, 14899, 18703, 19411, 44697, 56109, 58233, 104293, 130921, 312879, 392763, 879041, 2637123, 6153287, 18459861]

約数ペア:

[(1, 18459861), (3, 6153287), (7, 2637123), (21, 879041), (47, 392763), (59, 312879), (141, 130921), (177, 104293), (317, 58233), (329, 56109), (413, 44697), (951, 19411), (987, 18703), (1239, 14899), (2219, 8319), (2773, 6657)]