72551918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{26891}}^1$

素因数の和:26983

約数の個数: 16

約数和(自身を含む): 116173440

約数和(自身を除く): 43621522

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 26891, 53782, 510929, 1021858, 1909261, 3818522, 36275959, 72551918]

約数ペア:

[(1, 72551918), (2, 36275959), (19, 3818522), (38, 1909261), (71, 1021858), (142, 510929), (1349, 53782), (2698, 26891)]