18897638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1087

約数の個数: 16

約数和(自身を含む): 29169504

約数和(自身を除く): 10271866

約数列:

[1, 2, 41, 82, 317, 634, 727, 1454, 12997, 25994, 29807, 59614, 230459, 460918, 9448819, 18897638]

約数ペア:

[(1, 18897638), (2, 9448819), (41, 460918), (82, 230459), (317, 59614), (634, 29807), (727, 25994), (1454, 12997)]