19139996

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 34428240

約数和(自身を除く): 15288244

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 659, 1318, 2636, 7261, 14522, 29044, 34927, 69854, 90283, 139708, 180566, 361132, 4784999, 9569998, 19139996]

約数ペア:

[(1, 19139996), (2, 9569998), (4, 4784999), (53, 361132), (106, 180566), (137, 139708), (212, 90283), (274, 69854), (548, 34927), (659, 29044), (1318, 14522), (2636, 7261)]