18960746

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 17975254

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 323, 599, 646, 833, 931, 1198, 1666, 1862, 2261, 4193, 4522, 8386, 10183, 11381, 15827, 20366, 22762, 29351, 31654, 58702, 71281, 79667, 142562, 159334, 193477, 386954, 498967, 557669, 997934, 1115338, 1354339, 2708678, 9480373, 18960746]

約数ペア:

[(1, 18960746), (2, 9480373), (7, 2708678), (14, 1354339), (17, 1115338), (19, 997934), (34, 557669), (38, 498967), (49, 386954), (98, 193477), (119, 159334), (133, 142562), (238, 79667), (266, 71281), (323, 58702), (599, 31654), (646, 29351), (833, 22762), (931, 20366), (1198, 15827), (1666, 11381), (1862, 10183), (2261, 8386), (4193, 4522)]