19981380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333023}}^1$

素因数の和:333035

約数の個数: 24

約数和(自身を含む): 55948032

約数和(自身を除く): 35966652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333023, 666046, 999069, 1332092, 1665115, 1998138, 3330230, 3996276, 4995345, 6660460, 9990690, 19981380]

約数ペア:

[(1, 19981380), (2, 9990690), (3, 6660460), (4, 4995345), (5, 3996276), (6, 3330230), (10, 1998138), (12, 1665115), (15, 1332092), (20, 999069), (30, 666046), (60, 333023)]