18703258

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70313}}^1$

素因数の和:70341

約数の個数: 16

約数和(自身を含む): 33750720

約数和(自身を除く): 15047462

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70313, 140626, 492191, 984382, 1335947, 2671894, 9351629, 18703258]

約数ペア:

[(1, 18703258), (2, 9351629), (7, 2671894), (14, 1335947), (19, 984382), (38, 492191), (133, 140626), (266, 70313)]