18369810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 47974680

約数和(自身を除く): 29604870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 509, 802, 1018, 1203, 1527, 2005, 2406, 2545, 3054, 3609, 4010, 4581, 5090, 6015, 7218, 7635, 9162, 12030, 15270, 18045, 22905, 36090, 45810, 204109, 408218, 612327, 1020545, 1224654, 1836981, 2041090, 3061635, 3673962, 6123270, 9184905, 18369810]

約数ペア:

[(1, 18369810), (2, 9184905), (3, 6123270), (5, 3673962), (6, 3061635), (9, 2041090), (10, 1836981), (15, 1224654), (18, 1020545), (30, 612327), (45, 408218), (90, 204109), (401, 45810), (509, 36090), (802, 22905), (1018, 18045), (1203, 15270), (1527, 12030), (2005, 9162), (2406, 7635), (2545, 7218), (3054, 6015), (3609, 5090), (4010, 4581)]