19916778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6679}}^1$

素因数の和:6762

約数の個数: 32

約数和(自身を含む): 46172160

約数和(自身を除く): 26255382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6679, 13358, 20037, 40074, 46753, 93506, 140259, 280518, 474209, 948418, 1422627, 2845254, 3319463, 6638926, 9958389, 19916778]

約数ペア:

[(1, 19916778), (2, 9958389), (3, 6638926), (6, 3319463), (7, 2845254), (14, 1422627), (21, 948418), (42, 474209), (71, 280518), (142, 140259), (213, 93506), (426, 46753), (497, 40074), (994, 20037), (1491, 13358), (2982, 6679)]