19967955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10009}}^1$

素因数の和:10043

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 18470445

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10009, 30027, 50045, 70063, 150135, 190171, 210189, 350315, 570513, 950855, 1050945, 1331197, 2852565, 3993591, 6655985, 19967955]

約数ペア:

[(1, 19967955), (3, 6655985), (5, 3993591), (7, 2852565), (15, 1331197), (19, 1050945), (21, 950855), (35, 570513), (57, 350315), (95, 210189), (105, 190171), (133, 150135), (285, 70063), (399, 50045), (665, 30027), (1995, 10009)]