19962650

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 38702880

約数和(自身を除く): 18740230

約数列:

[1, 2, 5, 10, 25, 50, 59, 67, 101, 118, 134, 202, 295, 335, 505, 590, 670, 1010, 1475, 1675, 2525, 2950, 3350, 3953, 5050, 5959, 6767, 7906, 11918, 13534, 19765, 29795, 33835, 39530, 59590, 67670, 98825, 148975, 169175, 197650, 297950, 338350, 399253, 798506, 1996265, 3992530, 9981325, 19962650]

約数ペア:

[(1, 19962650), (2, 9981325), (5, 3992530), (10, 1996265), (25, 798506), (50, 399253), (59, 338350), (67, 297950), (101, 197650), (118, 169175), (134, 148975), (202, 98825), (295, 67670), (335, 59590), (505, 39530), (590, 33835), (670, 29795), (1010, 19765), (1475, 13534), (1675, 11918), (2525, 7906), (2950, 6767), (3350, 5959), (3953, 5050)]