18324436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 20201324

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1091, 1292, 2182, 4199, 4364, 8398, 14183, 16796, 18547, 20729, 28366, 37094, 41458, 56732, 74188, 82916, 241111, 269477, 352393, 482222, 538954, 704786, 964444, 1077908, 1409572, 4581109, 9162218, 18324436]

約数ペア:

[(1, 18324436), (2, 9162218), (4, 4581109), (13, 1409572), (17, 1077908), (19, 964444), (26, 704786), (34, 538954), (38, 482222), (52, 352393), (68, 269477), (76, 241111), (221, 82916), (247, 74188), (323, 56732), (442, 41458), (494, 37094), (646, 28366), (884, 20729), (988, 18547), (1091, 16796), (1292, 14183), (2182, 8398), (4199, 4364)]