19851630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{661721}}^1$

素因数の和:661731

約数の個数: 16

約数和(自身を含む): 47643984

約数和(自身を除く): 27792354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 661721, 1323442, 1985163, 3308605, 3970326, 6617210, 9925815, 19851630]

約数ペア:

[(1, 19851630), (2, 9925815), (3, 6617210), (5, 3970326), (6, 3308605), (10, 1985163), (15, 1323442), (30, 661721)]