19713040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 60

約数和(自身を含む): 47629764

約数和(自身を除く): 27916724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 293, 464, 580, 586, 841, 1160, 1172, 1465, 1682, 2320, 2344, 2930, 3364, 4205, 4688, 5860, 6728, 8410, 8497, 11720, 13456, 16820, 16994, 23440, 33640, 33988, 42485, 67280, 67976, 84970, 135952, 169940, 246413, 339880, 492826, 679760, 985652, 1232065, 1971304, 2464130, 3942608, 4928260, 9856520, 19713040]

約数ペア:

[(1, 19713040), (2, 9856520), (4, 4928260), (5, 3942608), (8, 2464130), (10, 1971304), (16, 1232065), (20, 985652), (29, 679760), (40, 492826), (58, 339880), (80, 246413), (116, 169940), (145, 135952), (232, 84970), (290, 67976), (293, 67280), (464, 42485), (580, 33988), (586, 33640), (841, 23440), (1160, 16994), (1172, 16820), (1465, 13456), (1682, 11720), (2320, 8497), (2344, 8410), (2930, 6728), (3364, 5860), (4205, 4688)]