19869135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 38223360

約数和(自身を除く): 18354225

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 59, 65, 143, 157, 165, 177, 195, 295, 429, 471, 649, 715, 767, 785, 885, 1727, 1947, 2041, 2145, 2301, 2355, 3245, 3835, 5181, 6123, 8437, 8635, 9263, 9735, 10205, 11505, 22451, 25311, 25905, 27789, 30615, 42185, 46315, 67353, 101893, 112255, 120419, 126555, 138945, 305679, 336765, 361257, 509465, 602095, 1324609, 1528395, 1806285, 3973827, 6623045, 19869135]

約数ペア:

[(1, 19869135), (3, 6623045), (5, 3973827), (11, 1806285), (13, 1528395), (15, 1324609), (33, 602095), (39, 509465), (55, 361257), (59, 336765), (65, 305679), (143, 138945), (157, 126555), (165, 120419), (177, 112255), (195, 101893), (295, 67353), (429, 46315), (471, 42185), (649, 30615), (715, 27789), (767, 25905), (785, 25311), (885, 22451), (1727, 11505), (1947, 10205), (2041, 9735), (2145, 9263), (2301, 8635), (2355, 8437), (3245, 6123), (3835, 5181)]