19532830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 37674720

約数和(自身を除く): 18141890

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1291, 1513, 2582, 3026, 6455, 7565, 12910, 15130, 21947, 43894, 109735, 114899, 219470, 229798, 574495, 1148990, 1953283, 3906566, 9766415, 19532830]

約数ペア:

[(1, 19532830), (2, 9766415), (5, 3906566), (10, 1953283), (17, 1148990), (34, 574495), (85, 229798), (89, 219470), (170, 114899), (178, 109735), (445, 43894), (890, 21947), (1291, 15130), (1513, 12910), (2582, 7565), (3026, 6455)]