19151660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 44174592

約数和(自身を除く): 25022932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 331, 526, 662, 1052, 1315, 1324, 1655, 2630, 2893, 3310, 3641, 5260, 5786, 6620, 7282, 11572, 14465, 14564, 18205, 28930, 36410, 57860, 72820, 87053, 174106, 348212, 435265, 870530, 957583, 1741060, 1915166, 3830332, 4787915, 9575830, 19151660]

約数ペア:

[(1, 19151660), (2, 9575830), (4, 4787915), (5, 3830332), (10, 1915166), (11, 1741060), (20, 957583), (22, 870530), (44, 435265), (55, 348212), (110, 174106), (220, 87053), (263, 72820), (331, 57860), (526, 36410), (662, 28930), (1052, 18205), (1315, 14564), (1324, 14465), (1655, 11572), (2630, 7282), (2893, 6620), (3310, 5786), (3641, 5260)]