19687095

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1091}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 34240752

約数和(自身を除く): 14553657

約数列:

[1, 3, 5, 9, 15, 45, 401, 1091, 1203, 2005, 3273, 3609, 5455, 6015, 9819, 16365, 18045, 49095, 437491, 1312473, 2187455, 3937419, 6562365, 19687095]

約数ペア:

[(1, 19687095), (3, 6562365), (5, 3937419), (9, 2187455), (15, 1312473), (45, 437491), (401, 49095), (1091, 18045), (1203, 16365), (2005, 9819), (3273, 6015), (3609, 5455)]