2019913805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{119983}}^1$

素因数の和:120045

約数の個数: 32

約数和(自身を含む): 3063911424

約数和(自身を除く): 1043997619

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 16835, 119983, 599915, 839881, 1559779, 4199405, 4439371, 7798895, 10918453, 22196855, 31075597, 54592265, 57711823, 155377985, 288559115, 403982761, 2019913805]

約数ペア:

[(1, 2019913805), (5, 403982761), (7, 288559115), (13, 155377985), (35, 57711823), (37, 54592265), (65, 31075597), (91, 22196855), (185, 10918453), (259, 7798895), (455, 4439371), (481, 4199405), (1295, 1559779), (2405, 839881), (3367, 599915), (16835, 119983)]