18384905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 29683584

約数和(自身を除く): 11298679

約数列:

[1, 5, 7, 11, 17, 35, 53, 55, 77, 85, 119, 187, 265, 371, 385, 583, 595, 901, 935, 1309, 1855, 2809, 2915, 4081, 4505, 6307, 6545, 9911, 14045, 19663, 20405, 30899, 31535, 47753, 49555, 69377, 98315, 154495, 216293, 238765, 334271, 346885, 525283, 1081465, 1671355, 2626415, 3676981, 18384905]

約数ペア:

[(1, 18384905), (5, 3676981), (7, 2626415), (11, 1671355), (17, 1081465), (35, 525283), (53, 346885), (55, 334271), (77, 238765), (85, 216293), (119, 154495), (187, 98315), (265, 69377), (371, 49555), (385, 47753), (583, 31535), (595, 30899), (901, 20405), (935, 19663), (1309, 14045), (1855, 9911), (2809, 6545), (2915, 6307), (4081, 4505)]