18540108

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 31255092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 37, 62, 74, 93, 111, 124, 148, 186, 222, 279, 333, 372, 444, 449, 558, 666, 898, 1116, 1147, 1332, 1347, 1796, 2294, 2694, 3441, 4041, 4588, 5388, 6882, 8082, 10323, 13764, 13919, 16164, 16613, 20646, 27838, 33226, 41292, 41757, 49839, 55676, 66452, 83514, 99678, 125271, 149517, 167028, 199356, 250542, 299034, 501084, 515003, 598068, 1030006, 1545009, 2060012, 3090018, 4635027, 6180036, 9270054, 18540108]

約数ペア:

[(1, 18540108), (2, 9270054), (3, 6180036), (4, 4635027), (6, 3090018), (9, 2060012), (12, 1545009), (18, 1030006), (31, 598068), (36, 515003), (37, 501084), (62, 299034), (74, 250542), (93, 199356), (111, 167028), (124, 149517), (148, 125271), (186, 99678), (222, 83514), (279, 66452), (333, 55676), (372, 49839), (444, 41757), (449, 41292), (558, 33226), (666, 27838), (898, 20646), (1116, 16613), (1147, 16164), (1332, 13919), (1347, 13764), (1796, 10323), (2294, 8082), (2694, 6882), (3441, 5388), (4041, 4588)]