19847204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6257}}^1$

素因数の和:6335

約数の個数: 24

約数和(自身を含む): 38023608

約数和(自身を除く): 18176404

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6257, 12514, 25028, 81341, 162682, 325364, 381677, 763354, 1526708, 4961801, 9923602, 19847204]

約数ペア:

[(1, 19847204), (2, 9923602), (4, 4961801), (13, 1526708), (26, 763354), (52, 381677), (61, 325364), (122, 162682), (244, 81341), (793, 25028), (1586, 12514), (3172, 6257)]