19404548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 39553920

約数和(自身を除く): 20149372

約数列:

[1, 2, 4, 17, 19, 23, 34, 38, 46, 68, 76, 92, 323, 391, 437, 646, 653, 782, 874, 1292, 1306, 1564, 1748, 2612, 7429, 11101, 12407, 14858, 15019, 22202, 24814, 29716, 30038, 44404, 49628, 60076, 210919, 255323, 285361, 421838, 510646, 570722, 843676, 1021292, 1141444, 4851137, 9702274, 19404548]

約数ペア:

[(1, 19404548), (2, 9702274), (4, 4851137), (17, 1141444), (19, 1021292), (23, 843676), (34, 570722), (38, 510646), (46, 421838), (68, 285361), (76, 255323), (92, 210919), (323, 60076), (391, 49628), (437, 44404), (646, 30038), (653, 29716), (782, 24814), (874, 22202), (1292, 15019), (1306, 14858), (1564, 12407), (1748, 11101), (2612, 7429)]