16481816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 35204400

約数和(自身を除く): 18722584

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 439, 494, 722, 878, 988, 1444, 1756, 1976, 2888, 3512, 4693, 5707, 8341, 9386, 11414, 16682, 18772, 22828, 33364, 37544, 45656, 66728, 108433, 158479, 216866, 316958, 433732, 633916, 867464, 1267832, 2060227, 4120454, 8240908, 16481816]

約数ペア:

[(1, 16481816), (2, 8240908), (4, 4120454), (8, 2060227), (13, 1267832), (19, 867464), (26, 633916), (38, 433732), (52, 316958), (76, 216866), (104, 158479), (152, 108433), (247, 66728), (361, 45656), (439, 37544), (494, 33364), (722, 22828), (878, 18772), (988, 16682), (1444, 11414), (1756, 9386), (1976, 8341), (2888, 5707), (3512, 4693)]