18427890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47251}}^1$

素因数の和:47274

約数の個数: 32

約数和(自身を含む): 47630016

約数和(自身を除く): 29202126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47251, 94502, 141753, 236255, 283506, 472510, 614263, 708765, 1228526, 1417530, 1842789, 3071315, 3685578, 6142630, 9213945, 18427890]

約数ペア:

[(1, 18427890), (2, 9213945), (3, 6142630), (5, 3685578), (6, 3071315), (10, 1842789), (13, 1417530), (15, 1228526), (26, 708765), (30, 614263), (39, 472510), (65, 283506), (78, 236255), (130, 141753), (195, 94502), (390, 47251)]