19090070

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 16290730

約数列:

[1, 2, 5, 10, 53, 106, 181, 199, 265, 362, 398, 530, 905, 995, 1810, 1990, 9593, 10547, 19186, 21094, 36019, 47965, 52735, 72038, 95930, 105470, 180095, 360190, 1909007, 3818014, 9545035, 19090070]

約数ペア:

[(1, 19090070), (2, 9545035), (5, 3818014), (10, 1909007), (53, 360190), (106, 180095), (181, 105470), (199, 95930), (265, 72038), (362, 52735), (398, 47965), (530, 36019), (905, 21094), (995, 19186), (1810, 10547), (1990, 9593)]