18178380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9181}}^1$

素因数の和:9207

約数の個数: 72

約数和(自身を含む): 60160464

約数和(自身を除く): 41982084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9181, 18362, 27543, 36724, 45905, 55086, 82629, 91810, 100991, 110172, 137715, 165258, 183620, 201982, 275430, 302973, 330516, 403964, 413145, 504955, 550860, 605946, 826290, 908919, 1009910, 1211892, 1514865, 1652580, 1817838, 2019820, 3029730, 3635676, 4544595, 6059460, 9089190, 18178380]

約数ペア:

[(1, 18178380), (2, 9089190), (3, 6059460), (4, 4544595), (5, 3635676), (6, 3029730), (9, 2019820), (10, 1817838), (11, 1652580), (12, 1514865), (15, 1211892), (18, 1009910), (20, 908919), (22, 826290), (30, 605946), (33, 550860), (36, 504955), (44, 413145), (45, 403964), (55, 330516), (60, 302973), (66, 275430), (90, 201982), (99, 183620), (110, 165258), (132, 137715), (165, 110172), (180, 100991), (198, 91810), (220, 82629), (330, 55086), (396, 45905), (495, 36724), (660, 27543), (990, 18362), (1980, 9181)]