18812505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 13627815

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1759, 2139, 3565, 5277, 8795, 10695, 26385, 40457, 54529, 121371, 163587, 202285, 272645, 606855, 817935, 1254167, 3762501, 6270835, 18812505]

約数ペア:

[(1, 18812505), (3, 6270835), (5, 3762501), (15, 1254167), (23, 817935), (31, 606855), (69, 272645), (93, 202285), (115, 163587), (155, 121371), (345, 54529), (465, 40457), (713, 26385), (1759, 10695), (2139, 8795), (3565, 5277)]