19104075

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 34471008

約数和(自身を除く): 15366933

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 431, 591, 985, 1293, 1773, 2155, 2955, 3879, 4925, 6465, 8865, 10775, 14775, 19395, 32325, 44325, 84907, 96975, 254721, 424535, 764163, 1273605, 2122675, 3820815, 6368025, 19104075]

約数ペア:

[(1, 19104075), (3, 6368025), (5, 3820815), (9, 2122675), (15, 1273605), (25, 764163), (45, 424535), (75, 254721), (197, 96975), (225, 84907), (431, 44325), (591, 32325), (985, 19395), (1293, 14775), (1773, 10775), (2155, 8865), (2955, 6465), (3879, 4925)]