19151824

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 39318912

約数和(自身を除く): 20167088

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 184, 284, 368, 568, 733, 1136, 1466, 1633, 2932, 3266, 5864, 6532, 11728, 13064, 16859, 26128, 33718, 52043, 67436, 104086, 134872, 208172, 269744, 416344, 832688, 1196989, 2393978, 4787956, 9575912, 19151824]

約数ペア:

[(1, 19151824), (2, 9575912), (4, 4787956), (8, 2393978), (16, 1196989), (23, 832688), (46, 416344), (71, 269744), (92, 208172), (142, 134872), (184, 104086), (284, 67436), (368, 52043), (568, 33718), (733, 26128), (1136, 16859), (1466, 13064), (1633, 11728), (2932, 6532), (3266, 5864)]