19878484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3583}}^1$

素因数の和:3679

約数の個数: 24

約数和(自身を含む): 37130240

約数和(自身を除く): 17251756

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3583, 5548, 7166, 14332, 68077, 136154, 261559, 272308, 523118, 1046236, 4969621, 9939242, 19878484]

約数ペア:

[(1, 19878484), (2, 9939242), (4, 4969621), (19, 1046236), (38, 523118), (73, 272308), (76, 261559), (146, 136154), (292, 68077), (1387, 14332), (2774, 7166), (3583, 5548)]