18755679

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7001}}^1$

素因数の和:7070

約数の個数: 16

約数和(自身を含む): 26887680

約数和(自身を除く): 8132001

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7001, 21003, 133019, 329047, 399057, 987141, 6251893, 18755679]

約数ペア:

[(1, 18755679), (3, 6251893), (19, 987141), (47, 399057), (57, 329047), (141, 133019), (893, 21003), (2679, 7001)]