19941169060

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1\times {\mathrm{13381}}^1$

素因数の和:13936

約数の個数: 48

約数和(自身を含む): 42187022640

約数和(自身を除く): 22245853580

約数列:

[1, 2, 4, 5, 10, 20, 269, 277, 538, 554, 1076, 1108, 1345, 1385, 2690, 2770, 5380, 5540, 13381, 26762, 53524, 66905, 74513, 133810, 149026, 267620, 298052, 372565, 745130, 1490260, 3599489, 3706537, 7198978, 7413074, 14397956, 14826148, 17997445, 18532685, 35994890, 37065370, 71989780, 74130740, 997058453, 1994116906, 3988233812, 4985292265, 9970584530, 19941169060]

約数ペア:

[(1, 19941169060), (2, 9970584530), (4, 4985292265), (5, 3988233812), (10, 1994116906), (20, 997058453), (269, 74130740), (277, 71989780), (538, 37065370), (554, 35994890), (1076, 18532685), (1108, 17997445), (1345, 14826148), (1385, 14397956), (2690, 7413074), (2770, 7198978), (5380, 3706537), (5540, 3599489), (13381, 1490260), (26762, 745130), (53524, 372565), (66905, 298052), (74513, 267620), (133810, 149026)]