19514660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 25663900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 829, 1070, 1177, 1658, 2140, 2354, 3316, 4145, 4708, 5885, 8290, 9119, 11770, 16580, 18238, 23540, 36476, 45595, 88703, 91190, 177406, 182380, 354812, 443515, 887030, 975733, 1774060, 1951466, 3902932, 4878665, 9757330, 19514660]

約数ペア:

[(1, 19514660), (2, 9757330), (4, 4878665), (5, 3902932), (10, 1951466), (11, 1774060), (20, 975733), (22, 887030), (44, 443515), (55, 354812), (107, 182380), (110, 177406), (214, 91190), (220, 88703), (428, 45595), (535, 36476), (829, 23540), (1070, 18238), (1177, 16580), (1658, 11770), (2140, 9119), (2354, 8290), (3316, 5885), (4145, 4708)]