19729850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8053}}^1$

素因数の和:8079

約数の個数: 36

約数和(自身を含む): 42694254

約数和(自身を除く): 22964404

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8053, 16106, 40265, 56371, 80530, 112742, 201325, 281855, 394597, 402650, 563710, 789194, 1409275, 1972985, 2818550, 3945970, 9864925, 19729850]

約数ペア:

[(1, 19729850), (2, 9864925), (5, 3945970), (7, 2818550), (10, 1972985), (14, 1409275), (25, 789194), (35, 563710), (49, 402650), (50, 394597), (70, 281855), (98, 201325), (175, 112742), (245, 80530), (350, 56371), (490, 40265), (1225, 16106), (2450, 8053)]