20161243178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{72889}}^1$

素因数の和:73190

約数の個数: 32

約数和(自身を含む): 33062904000

約数和(自身を除く): 12901660822

約数列:

[1, 2, 19, 29, 38, 58, 251, 502, 551, 1102, 4769, 7279, 9538, 14558, 72889, 138301, 145778, 276602, 1384891, 2113781, 2769782, 4227562, 18295139, 36590278, 40161839, 80323678, 347607641, 530559031, 695215282, 1061118062, 10080621589, 20161243178]

約数ペア:

[(1, 20161243178), (2, 10080621589), (19, 1061118062), (29, 695215282), (38, 530559031), (58, 347607641), (251, 80323678), (502, 40161839), (551, 36590278), (1102, 18295139), (4769, 4227562), (7279, 2769782), (9538, 2113781), (14558, 1384891), (72889, 276602), (138301, 145778)]