18184140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 62680800

約数和(自身を除く): 44496660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 409, 468, 494, 570, 585, 684, 741, 780, 818, 855, 988, 1140, 1170, 1227, 1235, 1482, 1636, 1710, 2045, 2223, 2340, 2454, 2470, 2964, 3420, 3681, 3705, 4090, 4446, 4908, 4940, 5317, 6135, 7362, 7410, 7771, 8180, 8892, 10634, 11115, 12270, 14724, 14820, 15542, 15951, 18405, 21268, 22230, 23313, 24540, 26585, 31084, 31902, 36810, 38855, 44460, 46626, 47853, 53170, 63804, 69939, 73620, 77710, 79755, 93252, 95706, 101023, 106340, 116565, 139878, 155420, 159510, 191412, 202046, 233130, 239265, 279756, 303069, 319020, 349695, 404092, 466260, 478530, 505115, 606138, 699390, 909207, 957060, 1010230, 1212276, 1398780, 1515345, 1818414, 2020460, 3030690, 3636828, 4546035, 6061380, 9092070, 18184140]

約数ペア:

[(1, 18184140), (2, 9092070), (3, 6061380), (4, 4546035), (5, 3636828), (6, 3030690), (9, 2020460), (10, 1818414), (12, 1515345), (13, 1398780), (15, 1212276), (18, 1010230), (19, 957060), (20, 909207), (26, 699390), (30, 606138), (36, 505115), (38, 478530), (39, 466260), (45, 404092), (52, 349695), (57, 319020), (60, 303069), (65, 279756), (76, 239265), (78, 233130), (90, 202046), (95, 191412), (114, 159510), (117, 155420), (130, 139878), (156, 116565), (171, 106340), (180, 101023), (190, 95706), (195, 93252), (228, 79755), (234, 77710), (247, 73620), (260, 69939), (285, 63804), (342, 53170), (380, 47853), (390, 46626), (409, 44460), (468, 38855), (494, 36810), (570, 31902), (585, 31084), (684, 26585), (741, 24540), (780, 23313), (818, 22230), (855, 21268), (988, 18405), (1140, 15951), (1170, 15542), (1227, 14820), (1235, 14724), (1482, 12270), (1636, 11115), (1710, 10634), (2045, 8892), (2223, 8180), (2340, 7771), (2454, 7410), (2470, 7362), (2964, 6135), (3420, 5317), (3681, 4940), (3705, 4908), (4090, 4446)]