19121535

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 15150465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1019, 1251, 2085, 3057, 3753, 5095, 6255, 9171, 15285, 18765, 27513, 45855, 137565, 141641, 424923, 708205, 1274769, 2124615, 3824307, 6373845, 19121535]

約数ペア:

[(1, 19121535), (3, 6373845), (5, 3824307), (9, 2124615), (15, 1274769), (27, 708205), (45, 424923), (135, 141641), (139, 137565), (417, 45855), (695, 27513), (1019, 18765), (1251, 15285), (2085, 9171), (3057, 6255), (3753, 5095)]