19501986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8761}}^1$

素因数の和:8826

約数の個数: 32

約数和(自身を含む): 45422208

約数和(自身を除く): 25920222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 8761, 17522, 26283, 52566, 61327, 122654, 183981, 367962, 464333, 928666, 1392999, 2785998, 3250331, 6500662, 9750993, 19501986]

約数ペア:

[(1, 19501986), (2, 9750993), (3, 6500662), (6, 3250331), (7, 2785998), (14, 1392999), (21, 928666), (42, 464333), (53, 367962), (106, 183981), (159, 122654), (318, 61327), (371, 52566), (742, 26283), (1113, 17522), (2226, 8761)]