18160020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 55449576

約数和(自身を除く): 37289556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 433, 466, 699, 866, 932, 1165, 1299, 1398, 1732, 2097, 2165, 2330, 2598, 2796, 3495, 3897, 4194, 4330, 4660, 5196, 6495, 6990, 7794, 8388, 8660, 10485, 12990, 13980, 15588, 19485, 20970, 25980, 38970, 41940, 77940, 100889, 201778, 302667, 403556, 504445, 605334, 908001, 1008890, 1210668, 1513335, 1816002, 2017780, 3026670, 3632004, 4540005, 6053340, 9080010, 18160020]

約数ペア:

[(1, 18160020), (2, 9080010), (3, 6053340), (4, 4540005), (5, 3632004), (6, 3026670), (9, 2017780), (10, 1816002), (12, 1513335), (15, 1210668), (18, 1008890), (20, 908001), (30, 605334), (36, 504445), (45, 403556), (60, 302667), (90, 201778), (180, 100889), (233, 77940), (433, 41940), (466, 38970), (699, 25980), (866, 20970), (932, 19485), (1165, 15588), (1299, 13980), (1398, 12990), (1732, 10485), (2097, 8660), (2165, 8388), (2330, 7794), (2598, 6990), (2796, 6495), (3495, 5196), (3897, 4660), (4194, 4330)]