19378090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{66821}}^1$

素因数の和:66857

約数の個数: 16

約数和(自身を含む): 36083880

約数和(自身を除く): 16705790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 66821, 133642, 334105, 668210, 1937809, 3875618, 9689045, 19378090]

約数ペア:

[(1, 19378090), (2, 9689045), (5, 3875618), (10, 1937809), (29, 668210), (58, 334105), (145, 133642), (290, 66821)]