19298865

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18121}}^1$

素因数の和:18200

約数の個数: 16

約数和(自身を含む): 31314816

約数和(自身を除く): 12015951

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18121, 54363, 90605, 271815, 1286591, 3859773, 6432955, 19298865]

約数ペア:

[(1, 19298865), (3, 6432955), (5, 3859773), (15, 1286591), (71, 271815), (213, 90605), (355, 54363), (1065, 18121)]