18669172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4027}}^1$

素因数の和:4111

約数の個数: 24

約数和(自身を含む): 34963040

約数和(自身を除く): 16293868

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4027, 4636, 8054, 16108, 76513, 153026, 245647, 306052, 491294, 982588, 4667293, 9334586, 18669172]

約数ペア:

[(1, 18669172), (2, 9334586), (4, 4667293), (19, 982588), (38, 491294), (61, 306052), (76, 245647), (122, 153026), (244, 76513), (1159, 16108), (2318, 8054), (4027, 4636)]