25880812

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{17923}}^1$

素因数の和:17965

約数の個数: 18

約数和(自身を含む): 47803308

約数和(自身を除く): 21922496

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 17923, 35846, 71692, 340537, 681074, 1362148, 6470203, 12940406, 25880812]

約数ペア:

[(1, 25880812), (2, 12940406), (4, 6470203), (19, 1362148), (38, 681074), (76, 340537), (361, 71692), (722, 35846), (1444, 17923)]