18261420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{304357}}^1$

素因数の和:304369

約数の個数: 24

約数和(自身を含む): 51132144

約数和(自身を除く): 32870724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 304357, 608714, 913071, 1217428, 1521785, 1826142, 3043570, 3652284, 4565355, 6087140, 9130710, 18261420]

約数ペア:

[(1, 18261420), (2, 9130710), (3, 6087140), (4, 4565355), (5, 3652284), (6, 3043570), (10, 1826142), (12, 1521785), (15, 1217428), (20, 913071), (30, 608714), (60, 304357)]