19005409381

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{8887}}^1$

素因数の和:9313

約数の個数: 32

約数和(自身を含む): 23344865280

約数和(自身を除く): 4339455899

約数列:

[1, 7, 23, 37, 161, 259, 359, 851, 2513, 5957, 8257, 8887, 13283, 57799, 62209, 92981, 204401, 305509, 328819, 1430807, 2138563, 2301733, 3190433, 7562837, 22333031, 52939859, 73379959, 118046021, 513659713, 826322147, 2715058483, 19005409381]

約数ペア:

[(1, 19005409381), (7, 2715058483), (23, 826322147), (37, 513659713), (161, 118046021), (259, 73379959), (359, 52939859), (851, 22333031), (2513, 7562837), (5957, 3190433), (8257, 2301733), (8887, 2138563), (13283, 1430807), (57799, 328819), (62209, 305509), (92981, 204401)]