19897800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2583

約数の個数: 96

約数和(自身を含む): 66454080

約数和(自身を除く): 46556280

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, 2551, 2600, 3900, 5102, 7653, 7800, 10204, 12755, 15306, 20408, 25510, 30612, 33163, 38265, 51020, 61224, 63775, 66326, 76530, 99489, 102040, 127550, 132652, 153060, 165815, 191325, 198978, 255100, 265304, 306120, 331630, 382650, 397956, 497445, 510200, 663260, 765300, 795912, 829075, 994890, 1326520, 1530600, 1658150, 1989780, 2487225, 3316300, 3979560, 4974450, 6632600, 9948900, 19897800]

約数ペア:

[(1, 19897800), (2, 9948900), (3, 6632600), (4, 4974450), (5, 3979560), (6, 3316300), (8, 2487225), (10, 1989780), (12, 1658150), (13, 1530600), (15, 1326520), (20, 994890), (24, 829075), (25, 795912), (26, 765300), (30, 663260), (39, 510200), (40, 497445), (50, 397956), (52, 382650), (60, 331630), (65, 306120), (75, 265304), (78, 255100), (100, 198978), (104, 191325), (120, 165815), (130, 153060), (150, 132652), (156, 127550), (195, 102040), (200, 99489), (260, 76530), (300, 66326), (312, 63775), (325, 61224), (390, 51020), (520, 38265), (600, 33163), (650, 30612), (780, 25510), (975, 20408), (1300, 15306), (1560, 12755), (1950, 10204), (2551, 7800), (2600, 7653), (3900, 5102)]