15181956

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 39999960

約数和(自身を除く): 24818004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 73, 106, 109, 146, 159, 212, 218, 219, 292, 318, 327, 436, 438, 477, 636, 654, 657, 876, 954, 981, 1308, 1314, 1908, 1962, 2628, 3869, 3924, 5777, 7738, 7957, 11554, 11607, 15476, 15914, 17331, 23108, 23214, 23871, 31828, 34662, 34821, 46428, 47742, 51993, 69324, 69642, 71613, 95484, 103986, 139284, 143226, 207972, 286452, 421721, 843442, 1265163, 1686884, 2530326, 3795489, 5060652, 7590978, 15181956]

約数ペア:

[(1, 15181956), (2, 7590978), (3, 5060652), (4, 3795489), (6, 2530326), (9, 1686884), (12, 1265163), (18, 843442), (36, 421721), (53, 286452), (73, 207972), (106, 143226), (109, 139284), (146, 103986), (159, 95484), (212, 71613), (218, 69642), (219, 69324), (292, 51993), (318, 47742), (327, 46428), (436, 34821), (438, 34662), (477, 31828), (636, 23871), (654, 23214), (657, 23108), (876, 17331), (954, 15914), (981, 15476), (1308, 11607), (1314, 11554), (1908, 7957), (1962, 7738), (2628, 5777), (3869, 3924)]