19747881764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{96461}}^1$

素因数の和:96636

約数の個数: 48

約数和(自身を含む): 38720618496

約数和(自身を除く): 18972736732

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 127, 254, 403, 508, 806, 1612, 1651, 3302, 3937, 6604, 7874, 15748, 51181, 96461, 102362, 192922, 204724, 385844, 1253993, 2507986, 2990291, 5015972, 5980582, 11961164, 12250547, 24501094, 38873783, 49002188, 77747566, 155495132, 159257111, 318514222, 379766957, 637028444, 759533914, 1519067828, 4936970441, 9873940882, 19747881764]

約数ペア:

[(1, 19747881764), (2, 9873940882), (4, 4936970441), (13, 1519067828), (26, 759533914), (31, 637028444), (52, 379766957), (62, 318514222), (124, 159257111), (127, 155495132), (254, 77747566), (403, 49002188), (508, 38873783), (806, 24501094), (1612, 12250547), (1651, 11961164), (3302, 5980582), (3937, 5015972), (6604, 2990291), (7874, 2507986), (15748, 1253993), (51181, 385844), (96461, 204724), (102362, 192922)]