19926515

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3821}}^1$

素因数の和:3982

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 7591885

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3821, 5215, 19105, 26747, 133735, 569329, 2846645, 3985303, 19926515]

約数ペア:

[(1, 19926515), (5, 3985303), (7, 2846645), (35, 569329), (149, 133735), (745, 26747), (1043, 19105), (3821, 5215)]