19275800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3156

約数の個数: 48

約数和(自身を含む): 46276800

約数和(自身を除く): 27001000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3109, 6200, 6218, 12436, 15545, 24872, 31090, 62180, 77725, 96379, 124360, 155450, 192758, 310900, 385516, 481895, 621800, 771032, 963790, 1927580, 2409475, 3855160, 4818950, 9637900, 19275800]

約数ペア:

[(1, 19275800), (2, 9637900), (4, 4818950), (5, 3855160), (8, 2409475), (10, 1927580), (20, 963790), (25, 771032), (31, 621800), (40, 481895), (50, 385516), (62, 310900), (100, 192758), (124, 155450), (155, 124360), (200, 96379), (248, 77725), (310, 62180), (620, 31090), (775, 24872), (1240, 15545), (1550, 12436), (3100, 6218), (3109, 6200)]