19696977

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{503}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 30139200

約数和(自身を除く): 10442223

約数列:

[1, 3, 9, 19, 57, 171, 229, 503, 687, 1509, 2061, 4351, 4527, 9557, 13053, 28671, 39159, 86013, 115187, 345561, 1036683, 2188553, 6565659, 19696977]

約数ペア:

[(1, 19696977), (3, 6565659), (9, 2188553), (19, 1036683), (57, 345561), (171, 115187), (229, 86013), (503, 39159), (687, 28671), (1509, 13053), (2061, 9557), (4351, 4527)]