19986300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 108

約数和(自身を含む): 63980280

約数和(自身を除く): 43993980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 90, 100, 106, 150, 159, 180, 212, 225, 265, 300, 318, 419, 450, 477, 530, 636, 795, 838, 900, 954, 1060, 1257, 1325, 1590, 1676, 1908, 2095, 2385, 2514, 2650, 3180, 3771, 3975, 4190, 4770, 5028, 5300, 6285, 7542, 7950, 8380, 9540, 10475, 11925, 12570, 15084, 15900, 18855, 20950, 22207, 23850, 25140, 31425, 37710, 41900, 44414, 47700, 62850, 66621, 75420, 88828, 94275, 111035, 125700, 133242, 188550, 199863, 222070, 266484, 333105, 377100, 399726, 444140, 555175, 666210, 799452, 999315, 1110350, 1332420, 1665525, 1998630, 2220700, 3331050, 3997260, 4996575, 6662100, 9993150, 19986300]

約数ペア:

[(1, 19986300), (2, 9993150), (3, 6662100), (4, 4996575), (5, 3997260), (6, 3331050), (9, 2220700), (10, 1998630), (12, 1665525), (15, 1332420), (18, 1110350), (20, 999315), (25, 799452), (30, 666210), (36, 555175), (45, 444140), (50, 399726), (53, 377100), (60, 333105), (75, 266484), (90, 222070), (100, 199863), (106, 188550), (150, 133242), (159, 125700), (180, 111035), (212, 94275), (225, 88828), (265, 75420), (300, 66621), (318, 62850), (419, 47700), (450, 44414), (477, 41900), (530, 37710), (636, 31425), (795, 25140), (838, 23850), (900, 22207), (954, 20950), (1060, 18855), (1257, 15900), (1325, 15084), (1590, 12570), (1676, 11925), (1908, 10475), (2095, 9540), (2385, 8380), (2514, 7950), (2650, 7542), (3180, 6285), (3771, 5300), (3975, 5028), (4190, 4770)]