19779038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7331}}^1$

素因数の和:7423

約数の個数: 16

約数和(自身を含む): 31674240

約数和(自身を除く): 11895202

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7331, 14662, 139289, 278578, 520501, 1041002, 9889519, 19779038]

約数ペア:

[(1, 19779038), (2, 9889519), (19, 1041002), (38, 520501), (71, 278578), (142, 139289), (1349, 14662), (2698, 7331)]