188219980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{723923}}^1$

素因数の和:723945

約数の個数: 24

約数和(自身を含む): 425667312

約数和(自身を除く): 237447332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 723923, 1447846, 2895692, 3619615, 7239230, 9410999, 14478460, 18821998, 37643996, 47054995, 94109990, 188219980]

約数ペア:

[(1, 188219980), (2, 94109990), (4, 47054995), (5, 37643996), (10, 18821998), (13, 14478460), (20, 9410999), (26, 7239230), (52, 3619615), (65, 2895692), (130, 1447846), (260, 723923)]