19943235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 37818144

約数和(自身を除く): 17874909

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 117, 195, 219, 365, 467, 585, 657, 949, 1095, 1401, 2335, 2847, 3285, 4203, 4745, 6071, 7005, 8541, 14235, 18213, 21015, 30355, 34091, 42705, 54639, 91065, 102273, 170455, 273195, 306819, 443183, 511365, 1329549, 1534095, 2215915, 3988647, 6647745, 19943235]

約数ペア:

[(1, 19943235), (3, 6647745), (5, 3988647), (9, 2215915), (13, 1534095), (15, 1329549), (39, 511365), (45, 443183), (65, 306819), (73, 273195), (117, 170455), (195, 102273), (219, 91065), (365, 54639), (467, 42705), (585, 34091), (657, 30355), (949, 21015), (1095, 18213), (1401, 14235), (2335, 8541), (2847, 7005), (3285, 6071), (4203, 4745)]