2181307198

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8200403}}^1$

素因数の和:8200431

約数の個数: 16

約数和(自身を含む): 3936193920

約数和(自身を除く): 1754886722

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 8200403, 16400806, 57402821, 114805642, 155807657, 311615314, 1090653599, 2181307198]

約数ペア:

[(1, 2181307198), (2, 1090653599), (7, 311615314), (14, 155807657), (19, 114805642), (38, 57402821), (133, 16400806), (266, 8200403)]