1640308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 3064320

約数和(自身を除く): 1424012

約数列:

[1, 2, 4, 19, 38, 76, 113, 191, 226, 382, 452, 764, 2147, 3629, 4294, 7258, 8588, 14516, 21583, 43166, 86332, 410077, 820154, 1640308]

約数ペア:

[(1, 1640308), (2, 820154), (4, 410077), (19, 86332), (38, 43166), (76, 21583), (113, 14516), (191, 8588), (226, 7258), (382, 4294), (452, 3629), (764, 2147)]