19808100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1726

約数の個数: 108

約数和(自身を含む): 66902836

約数和(自身を除く): 47094736

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1693, 1950, 2340, 2925, 3386, 3900, 5079, 5850, 6772, 8465, 10158, 11700, 15237, 16930, 20316, 22009, 25395, 30474, 33860, 42325, 44018, 50790, 60948, 66027, 76185, 84650, 88036, 101580, 110045, 126975, 132054, 152370, 169300, 198081, 220090, 253950, 264108, 304740, 330135, 380925, 396162, 440180, 507900, 550225, 660270, 761850, 792324, 990405, 1100450, 1320540, 1523700, 1650675, 1980810, 2200900, 3301350, 3961620, 4952025, 6602700, 9904050, 19808100]

約数ペア:

[(1, 19808100), (2, 9904050), (3, 6602700), (4, 4952025), (5, 3961620), (6, 3301350), (9, 2200900), (10, 1980810), (12, 1650675), (13, 1523700), (15, 1320540), (18, 1100450), (20, 990405), (25, 792324), (26, 761850), (30, 660270), (36, 550225), (39, 507900), (45, 440180), (50, 396162), (52, 380925), (60, 330135), (65, 304740), (75, 264108), (78, 253950), (90, 220090), (100, 198081), (117, 169300), (130, 152370), (150, 132054), (156, 126975), (180, 110045), (195, 101580), (225, 88036), (234, 84650), (260, 76185), (300, 66027), (325, 60948), (390, 50790), (450, 44018), (468, 42325), (585, 33860), (650, 30474), (780, 25395), (900, 22009), (975, 20316), (1170, 16930), (1300, 15237), (1693, 11700), (1950, 10158), (2340, 8465), (2925, 6772), (3386, 5850), (3900, 5079)]