19851585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 35417088

約数和(自身を除く): 15565503

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 169, 191, 195, 205, 507, 533, 573, 615, 845, 955, 1599, 2483, 2535, 2665, 2865, 6929, 7449, 7831, 7995, 12415, 20787, 23493, 32279, 34645, 37245, 39155, 96837, 101803, 103935, 117465, 161395, 305409, 484185, 509015, 1323439, 1527045, 3970317, 6617195, 19851585]

約数ペア:

[(1, 19851585), (3, 6617195), (5, 3970317), (13, 1527045), (15, 1323439), (39, 509015), (41, 484185), (65, 305409), (123, 161395), (169, 117465), (191, 103935), (195, 101803), (205, 96837), (507, 39155), (533, 37245), (573, 34645), (615, 32279), (845, 23493), (955, 20787), (1599, 12415), (2483, 7995), (2535, 7831), (2665, 7449), (2865, 6929)]