19461690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2141}}^1$

素因数の和:2255

約数の個数: 48

約数和(自身を含む): 51125256

約数和(自身を除く): 31663566

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 2141, 3030, 4282, 4545, 6423, 9090, 10705, 12846, 19269, 21410, 32115, 38538, 64230, 96345, 192690, 216241, 432482, 648723, 1081205, 1297446, 1946169, 2162410, 3243615, 3892338, 6487230, 9730845, 19461690]

約数ペア:

[(1, 19461690), (2, 9730845), (3, 6487230), (5, 3892338), (6, 3243615), (9, 2162410), (10, 1946169), (15, 1297446), (18, 1081205), (30, 648723), (45, 432482), (90, 216241), (101, 192690), (202, 96345), (303, 64230), (505, 38538), (606, 32115), (909, 21410), (1010, 19269), (1515, 12846), (1818, 10705), (2141, 9090), (3030, 6423), (4282, 4545)]