18131764

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1268

約数の個数: 36

約数和(自身を含む): 37410240

約数和(自身を除く): 19278476

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1171, 2212, 2342, 3871, 4684, 7742, 8197, 15484, 16394, 32788, 57379, 92509, 114758, 185018, 229516, 370036, 647563, 1295126, 2590252, 4532941, 9065882, 18131764]

約数ペア:

[(1, 18131764), (2, 9065882), (4, 4532941), (7, 2590252), (14, 1295126), (28, 647563), (49, 370036), (79, 229516), (98, 185018), (158, 114758), (196, 92509), (316, 57379), (553, 32788), (1106, 16394), (1171, 15484), (2212, 8197), (2342, 7742), (3871, 4684)]