1889860895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{3643}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 2556513792

約数和(自身を除く): 666652897

約数列:

[1, 5, 13, 23, 65, 115, 299, 347, 1495, 1735, 3643, 4511, 7981, 18215, 22555, 39905, 47359, 83789, 103753, 236795, 418945, 518765, 1089257, 1264121, 5446285, 6320605, 16433573, 29074783, 82167865, 145373915, 377972179, 1889860895]

約数ペア:

[(1, 1889860895), (5, 377972179), (13, 145373915), (23, 82167865), (65, 29074783), (115, 16433573), (299, 6320605), (347, 5446285), (1495, 1264121), (1735, 1089257), (3643, 518765), (4511, 418945), (7981, 236795), (18215, 103753), (22555, 83789), (39905, 47359)]