19741800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2563

約数の個数: 96

約数和(自身を含む): 65933280

約数和(自身を除く): 46191480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2531, 2600, 3900, 5062, 7593, 7800, 10124, 12655, 15186, 20248, 25310, 30372, 32903, 37965, 50620, 60744, 63275, 65806, 75930, 98709, 101240, 126550, 131612, 151860, 164515, 189825, 197418, 253100, 263224, 303720, 329030, 379650, 394836, 493545, 506200, 658060, 759300, 789672, 822575, 987090, 1316120, 1518600, 1645150, 1974180, 2467725, 3290300, 3948360, 4935450, 6580600, 9870900, 19741800]

約数ペア:

[(1, 19741800), (2, 9870900), (3, 6580600), (4, 4935450), (5, 3948360), (6, 3290300), (8, 2467725), (10, 1974180), (12, 1645150), (13, 1518600), (15, 1316120), (20, 987090), (24, 822575), (25, 789672), (26, 759300), (30, 658060), (39, 506200), (40, 493545), (50, 394836), (52, 379650), (60, 329030), (65, 303720), (75, 263224), (78, 253100), (100, 197418), (104, 189825), (120, 164515), (130, 151860), (150, 131612), (156, 126550), (195, 101240), (200, 98709), (260, 75930), (300, 65806), (312, 63275), (325, 60744), (390, 50620), (520, 37965), (600, 32903), (650, 30372), (780, 25310), (975, 20248), (1300, 15186), (1560, 12655), (1950, 10124), (2531, 7800), (2600, 7593), (3900, 5062)]