18735810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4493}}^1$

素因数の和:4642

約数の個数: 32

約数和(自身を含む): 45299520

約数和(自身を除く): 26563710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4493, 8986, 13479, 22465, 26958, 44930, 67395, 134790, 624527, 1249054, 1873581, 3122635, 3747162, 6245270, 9367905, 18735810]

約数ペア:

[(1, 18735810), (2, 9367905), (3, 6245270), (5, 3747162), (6, 3122635), (10, 1873581), (15, 1249054), (30, 624527), (139, 134790), (278, 67395), (417, 44930), (695, 26958), (834, 22465), (1390, 13479), (2085, 8986), (4170, 4493)]