19857930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{661931}}^1$

素因数の和:661941

約数の個数: 16

約数和(自身を含む): 47659104

約数和(自身を除く): 27801174

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 661931, 1323862, 1985793, 3309655, 3971586, 6619310, 9928965, 19857930]

約数ペア:

[(1, 19857930), (2, 9928965), (3, 6619310), (5, 3971586), (6, 3309655), (10, 1985793), (15, 1323862), (30, 661931)]