19812690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220141}}^1$

素因数の和:220154

約数の個数: 24

約数和(自身を含む): 51513228

約数和(自身を除く): 31700538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220141, 440282, 660423, 1100705, 1320846, 1981269, 2201410, 3302115, 3962538, 6604230, 9906345, 19812690]

約数ペア:

[(1, 19812690), (2, 9906345), (3, 6604230), (5, 3962538), (6, 3302115), (9, 2201410), (10, 1981269), (15, 1320846), (18, 1100705), (30, 660423), (45, 440282), (90, 220141)]