42687376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{140419}}^1$

素因数の和:140446

約数の個数: 20

約数和(自身を含む): 87060400

約数和(自身を除く): 44373024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 140419, 280838, 561676, 1123352, 2246704, 2667961, 5335922, 10671844, 21343688, 42687376]

約数ペア:

[(1, 42687376), (2, 21343688), (4, 10671844), (8, 5335922), (16, 2667961), (19, 2246704), (38, 1123352), (76, 561676), (152, 280838), (304, 140419)]