19684090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^2$

素因数の和:175

約数の個数: 36

約数和(自身を含む): 37655982

約数和(自身を除く): 17971892

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 529, 610, 1058, 1403, 2645, 2806, 3721, 5290, 7015, 7442, 14030, 18605, 32269, 37210, 64538, 85583, 161345, 171166, 322690, 427915, 855830, 1968409, 3936818, 9842045, 19684090]

約数ペア:

[(1, 19684090), (2, 9842045), (5, 3936818), (10, 1968409), (23, 855830), (46, 427915), (61, 322690), (115, 171166), (122, 161345), (230, 85583), (305, 64538), (529, 37210), (610, 32269), (1058, 18605), (1403, 14030), (2645, 7442), (2806, 7015), (3721, 5290)]