19151080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2833}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 46675980

約数和(自身を除く): 27524900

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2833, 3380, 5666, 6760, 11332, 14165, 22664, 28330, 36829, 56660, 73658, 113320, 147316, 184145, 294632, 368290, 478777, 736580, 957554, 1473160, 1915108, 2393885, 3830216, 4787770, 9575540, 19151080]

約数ペア:

[(1, 19151080), (2, 9575540), (4, 4787770), (5, 3830216), (8, 2393885), (10, 1915108), (13, 1473160), (20, 957554), (26, 736580), (40, 478777), (52, 368290), (65, 294632), (104, 184145), (130, 147316), (169, 113320), (260, 73658), (338, 56660), (520, 36829), (676, 28330), (845, 22664), (1352, 14165), (1690, 11332), (2833, 6760), (3380, 5666)]