19703166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 47861760

約数和(自身を除く): 28158594

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 37, 42, 62, 74, 93, 111, 186, 217, 222, 259, 409, 434, 518, 651, 777, 818, 1147, 1227, 1302, 1554, 2294, 2454, 2863, 3441, 5726, 6882, 8029, 8589, 12679, 15133, 16058, 17178, 24087, 25358, 30266, 38037, 45399, 48174, 76074, 88753, 90798, 105931, 177506, 211862, 266259, 317793, 469123, 532518, 635586, 938246, 1407369, 2814738, 3283861, 6567722, 9851583, 19703166]

約数ペア:

[(1, 19703166), (2, 9851583), (3, 6567722), (6, 3283861), (7, 2814738), (14, 1407369), (21, 938246), (31, 635586), (37, 532518), (42, 469123), (62, 317793), (74, 266259), (93, 211862), (111, 177506), (186, 105931), (217, 90798), (222, 88753), (259, 76074), (409, 48174), (434, 45399), (518, 38037), (651, 30266), (777, 25358), (818, 24087), (1147, 17178), (1227, 16058), (1302, 15133), (1554, 12679), (2294, 8589), (2454, 8029), (2863, 6882), (3441, 5726)]