18901290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{630043}}^1$

素因数の和:630053

約数の個数: 16

約数和(自身を含む): 45363168

約数和(自身を除く): 26461878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 630043, 1260086, 1890129, 3150215, 3780258, 6300430, 9450645, 18901290]

約数ペア:

[(1, 18901290), (2, 9450645), (3, 6300430), (5, 3780258), (6, 3150215), (10, 1890129), (15, 1260086), (30, 630043)]