19128668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1019}}^1$

素因数の和:1074

約数の個数: 36

約数和(自身を含む): 38084760

約数和(自身を除く): 18956092

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1019, 1444, 2038, 4076, 4693, 9386, 13247, 18772, 19361, 26494, 38722, 52988, 77444, 251693, 367859, 503386, 735718, 1006772, 1471436, 4782167, 9564334, 19128668]

約数ペア:

[(1, 19128668), (2, 9564334), (4, 4782167), (13, 1471436), (19, 1006772), (26, 735718), (38, 503386), (52, 367859), (76, 251693), (247, 77444), (361, 52988), (494, 38722), (722, 26494), (988, 19361), (1019, 18772), (1444, 13247), (2038, 9386), (4076, 4693)]