19663800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2553

約数の個数: 96

約数和(自身を含む): 65672880

約数和(自身を除く): 46009080

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, 2521, 2600, 3900, 5042, 7563, 7800, 10084, 12605, 15126, 20168, 25210, 30252, 32773, 37815, 50420, 60504, 63025, 65546, 75630, 98319, 100840, 126050, 131092, 151260, 163865, 189075, 196638, 252100, 262184, 302520, 327730, 378150, 393276, 491595, 504200, 655460, 756300, 786552, 819325, 983190, 1310920, 1512600, 1638650, 1966380, 2457975, 3277300, 3932760, 4915950, 6554600, 9831900, 19663800]

約数ペア:

[(1, 19663800), (2, 9831900), (3, 6554600), (4, 4915950), (5, 3932760), (6, 3277300), (8, 2457975), (10, 1966380), (12, 1638650), (13, 1512600), (15, 1310920), (20, 983190), (24, 819325), (25, 786552), (26, 756300), (30, 655460), (39, 504200), (40, 491595), (50, 393276), (52, 378150), (60, 327730), (65, 302520), (75, 262184), (78, 252100), (100, 196638), (104, 189075), (120, 163865), (130, 151260), (150, 131092), (156, 126050), (195, 100840), (200, 98319), (260, 75630), (300, 65546), (312, 63025), (325, 60504), (390, 50420), (520, 37815), (600, 32773), (650, 30252), (780, 25210), (975, 20168), (1300, 15126), (1560, 12605), (1950, 10084), (2521, 7800), (2600, 7563), (3900, 5042)]