19213725

素因数分解:

$3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1063}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 31928512

約数和(自身を除く): 12714787

約数列:

[1, 3, 5, 15, 25, 75, 241, 723, 1063, 1205, 3189, 3615, 5315, 6025, 15945, 18075, 26575, 79725, 256183, 768549, 1280915, 3842745, 6404575, 19213725]

約数ペア:

[(1, 19213725), (3, 6404575), (5, 3842745), (15, 1280915), (25, 768549), (75, 256183), (241, 79725), (723, 26575), (1063, 18075), (1205, 15945), (3189, 6025), (3615, 5315)]