19189804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6883}}^1$

素因数の和:6945

約数の個数: 24

約数和(自身を含む): 36430128

約数和(自身を除く): 17240324

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 6883, 13766, 27532, 117011, 234022, 282203, 468044, 564406, 1128812, 4797451, 9594902, 19189804]

約数ペア:

[(1, 19189804), (2, 9594902), (4, 4797451), (17, 1128812), (34, 564406), (41, 468044), (68, 282203), (82, 234022), (164, 117011), (697, 27532), (1394, 13766), (2788, 6883)]