18243900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 60933600

約数和(自身を除く): 42689700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 233, 261, 270, 290, 300, 348, 435, 450, 466, 522, 540, 580, 675, 699, 725, 783, 870, 900, 932, 1044, 1165, 1305, 1350, 1398, 1450, 1566, 1740, 2097, 2175, 2330, 2610, 2700, 2796, 2900, 3132, 3495, 3915, 4194, 4350, 4660, 5220, 5825, 6291, 6525, 6757, 6990, 7830, 8388, 8700, 10485, 11650, 12582, 13050, 13514, 13980, 15660, 17475, 19575, 20271, 20970, 23300, 25164, 26100, 27028, 31455, 33785, 34950, 39150, 40542, 41940, 52425, 60813, 62910, 67570, 69900, 78300, 81084, 101355, 104850, 121626, 125820, 135140, 157275, 168925, 182439, 202710, 209700, 243252, 304065, 314550, 337850, 364878, 405420, 506775, 608130, 629100, 675700, 729756, 912195, 1013550, 1216260, 1520325, 1824390, 2027100, 3040650, 3648780, 4560975, 6081300, 9121950, 18243900]

約数ペア:

[(1, 18243900), (2, 9121950), (3, 6081300), (4, 4560975), (5, 3648780), (6, 3040650), (9, 2027100), (10, 1824390), (12, 1520325), (15, 1216260), (18, 1013550), (20, 912195), (25, 729756), (27, 675700), (29, 629100), (30, 608130), (36, 506775), (45, 405420), (50, 364878), (54, 337850), (58, 314550), (60, 304065), (75, 243252), (87, 209700), (90, 202710), (100, 182439), (108, 168925), (116, 157275), (135, 135140), (145, 125820), (150, 121626), (174, 104850), (180, 101355), (225, 81084), (233, 78300), (261, 69900), (270, 67570), (290, 62910), (300, 60813), (348, 52425), (435, 41940), (450, 40542), (466, 39150), (522, 34950), (540, 33785), (580, 31455), (675, 27028), (699, 26100), (725, 25164), (783, 23300), (870, 20970), (900, 20271), (932, 19575), (1044, 17475), (1165, 15660), (1305, 13980), (1350, 13514), (1398, 13050), (1450, 12582), (1566, 11650), (1740, 10485), (2097, 8700), (2175, 8388), (2330, 7830), (2610, 6990), (2700, 6757), (2796, 6525), (2900, 6291), (3132, 5825), (3495, 5220), (3915, 4660), (4194, 4350)]