19257231

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29581}}^1$

素因数の和:29622

約数の個数: 16

約数和(自身を含む): 30291968

約数和(自身を除く): 11034737

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 29581, 88743, 207067, 621201, 917011, 2751033, 6419077, 19257231]

約数ペア:

[(1, 19257231), (3, 6419077), (7, 2751033), (21, 917011), (31, 621201), (93, 207067), (217, 88743), (651, 29581)]