19357455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1873}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 34001856

約数和(自身を除く): 14644401

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 1873, 2067, 3445, 5619, 9365, 10335, 24349, 28095, 73047, 99269, 121745, 297807, 365235, 496345, 1290497, 1489035, 3871491, 6452485, 19357455]

約数ペア:

[(1, 19357455), (3, 6452485), (5, 3871491), (13, 1489035), (15, 1290497), (39, 496345), (53, 365235), (65, 297807), (159, 121745), (195, 99269), (265, 73047), (689, 28095), (795, 24349), (1873, 10335), (2067, 9365), (3445, 5619)]