19991746870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3041}}^1\times {\mathrm{38671}}^1$

素因数の和:41736

約数の個数: 32

約数和(自身を含む): 38115432576

約数和(自身を除く): 18123685706

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3041, 6082, 15205, 30410, 38671, 51697, 77342, 103394, 193355, 258485, 386710, 516970, 657407, 1314814, 3287035, 6574070, 117598511, 235197022, 587992555, 1175985110, 1999174687, 3998349374, 9995873435, 19991746870]

約数ペア:

[(1, 19991746870), (2, 9995873435), (5, 3998349374), (10, 1999174687), (17, 1175985110), (34, 587992555), (85, 235197022), (170, 117598511), (3041, 6574070), (6082, 3287035), (15205, 1314814), (30410, 657407), (38671, 516970), (51697, 386710), (77342, 258485), (103394, 193355)]