19826520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23603}}^1$

素因数の和:23624

約数の個数: 64

約数和(自身を含む): 67979520

約数和(自身を除く): 48153000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23603, 47206, 70809, 94412, 118015, 141618, 165221, 188824, 236030, 283236, 330442, 354045, 472060, 495663, 566472, 660884, 708090, 826105, 944120, 991326, 1321768, 1416180, 1652210, 1982652, 2478315, 2832360, 3304420, 3965304, 4956630, 6608840, 9913260, 19826520]

約数ペア:

[(1, 19826520), (2, 9913260), (3, 6608840), (4, 4956630), (5, 3965304), (6, 3304420), (7, 2832360), (8, 2478315), (10, 1982652), (12, 1652210), (14, 1416180), (15, 1321768), (20, 991326), (21, 944120), (24, 826105), (28, 708090), (30, 660884), (35, 566472), (40, 495663), (42, 472060), (56, 354045), (60, 330442), (70, 283236), (84, 236030), (105, 188824), (120, 165221), (140, 141618), (168, 118015), (210, 94412), (280, 70809), (420, 47206), (840, 23603)]