18261900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 58090032

約数和(自身を除く): 39828132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 103, 150, 180, 197, 206, 225, 300, 309, 394, 412, 450, 515, 591, 618, 788, 900, 927, 985, 1030, 1182, 1236, 1545, 1773, 1854, 1970, 2060, 2364, 2575, 2955, 3090, 3546, 3708, 3940, 4635, 4925, 5150, 5910, 6180, 7092, 7725, 8865, 9270, 9850, 10300, 11820, 14775, 15450, 17730, 18540, 19700, 20291, 23175, 29550, 30900, 35460, 40582, 44325, 46350, 59100, 60873, 81164, 88650, 92700, 101455, 121746, 177300, 182619, 202910, 243492, 304365, 365238, 405820, 507275, 608730, 730476, 913095, 1014550, 1217460, 1521825, 1826190, 2029100, 3043650, 3652380, 4565475, 6087300, 9130950, 18261900]

約数ペア:

[(1, 18261900), (2, 9130950), (3, 6087300), (4, 4565475), (5, 3652380), (6, 3043650), (9, 2029100), (10, 1826190), (12, 1521825), (15, 1217460), (18, 1014550), (20, 913095), (25, 730476), (30, 608730), (36, 507275), (45, 405820), (50, 365238), (60, 304365), (75, 243492), (90, 202910), (100, 182619), (103, 177300), (150, 121746), (180, 101455), (197, 92700), (206, 88650), (225, 81164), (300, 60873), (309, 59100), (394, 46350), (412, 44325), (450, 40582), (515, 35460), (591, 30900), (618, 29550), (788, 23175), (900, 20291), (927, 19700), (985, 18540), (1030, 17730), (1182, 15450), (1236, 14775), (1545, 11820), (1773, 10300), (1854, 9850), (1970, 9270), (2060, 8865), (2364, 7725), (2575, 7092), (2955, 6180), (3090, 5910), (3546, 5150), (3708, 4925), (3940, 4635)]