18857100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 54996480

約数和(自身を除く): 36139380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 239, 263, 300, 478, 526, 717, 789, 956, 1052, 1195, 1315, 1434, 1578, 2390, 2630, 2868, 3156, 3585, 3945, 4780, 5260, 5975, 6575, 7170, 7890, 11950, 13150, 14340, 15780, 17925, 19725, 23900, 26300, 35850, 39450, 62857, 71700, 78900, 125714, 188571, 251428, 314285, 377142, 628570, 754284, 942855, 1257140, 1571425, 1885710, 3142850, 3771420, 4714275, 6285700, 9428550, 18857100]

約数ペア:

[(1, 18857100), (2, 9428550), (3, 6285700), (4, 4714275), (5, 3771420), (6, 3142850), (10, 1885710), (12, 1571425), (15, 1257140), (20, 942855), (25, 754284), (30, 628570), (50, 377142), (60, 314285), (75, 251428), (100, 188571), (150, 125714), (239, 78900), (263, 71700), (300, 62857), (478, 39450), (526, 35850), (717, 26300), (789, 23900), (956, 19725), (1052, 17925), (1195, 15780), (1315, 14340), (1434, 13150), (1578, 11950), (2390, 7890), (2630, 7170), (2868, 6575), (3156, 5975), (3585, 5260), (3945, 4780)]