18405156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19919}}^1$

素因数の和:19944

約数の個数: 48

約数和(自身を含む): 53544960

約数和(自身を除く): 35139804

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 19919, 39838, 59757, 79676, 119514, 139433, 219109, 239028, 278866, 418299, 438218, 557732, 657327, 836598, 876436, 1314654, 1533763, 1673196, 2629308, 3067526, 4601289, 6135052, 9202578, 18405156]

約数ペア:

[(1, 18405156), (2, 9202578), (3, 6135052), (4, 4601289), (6, 3067526), (7, 2629308), (11, 1673196), (12, 1533763), (14, 1314654), (21, 876436), (22, 836598), (28, 657327), (33, 557732), (42, 438218), (44, 418299), (66, 278866), (77, 239028), (84, 219109), (132, 139433), (154, 119514), (231, 79676), (308, 59757), (462, 39838), (924, 19919)]