18199076

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 37699200

約数和(自身を除く): 19500124

約数列:

[1, 2, 4, 7, 14, 28, 67, 89, 109, 134, 178, 218, 268, 356, 436, 469, 623, 763, 938, 1246, 1526, 1876, 2492, 3052, 5963, 7303, 9701, 11926, 14606, 19402, 23852, 29212, 38804, 41741, 51121, 67907, 83482, 102242, 135814, 166964, 204484, 271628, 649967, 1299934, 2599868, 4549769, 9099538, 18199076]

約数ペア:

[(1, 18199076), (2, 9099538), (4, 4549769), (7, 2599868), (14, 1299934), (28, 649967), (67, 271628), (89, 204484), (109, 166964), (134, 135814), (178, 102242), (218, 83482), (268, 67907), (356, 51121), (436, 41741), (469, 38804), (623, 29212), (763, 23852), (938, 19402), (1246, 14606), (1526, 11926), (1876, 9701), (2492, 7303), (3052, 5963)]