18778880764

素因数分解:

$2^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1\times {\mathrm{3433}}^1$

素因数の和:4354

約数の個数: 48

約数和(自身を含む): 37743890688

約数和(自身を除く): 18965009924

約数列:

[1, 2, 4, 7, 14, 28, 347, 563, 694, 1126, 1388, 2252, 2429, 3433, 3941, 4858, 6866, 7882, 9716, 13732, 15764, 24031, 48062, 96124, 195361, 390722, 781444, 1191251, 1367527, 1932779, 2382502, 2735054, 3865558, 4765004, 5470108, 7731116, 8338757, 13529453, 16677514, 27058906, 33355028, 54117812, 670674313, 1341348626, 2682697252, 4694720191, 9389440382, 18778880764]

約数ペア:

[(1, 18778880764), (2, 9389440382), (4, 4694720191), (7, 2682697252), (14, 1341348626), (28, 670674313), (347, 54117812), (563, 33355028), (694, 27058906), (1126, 16677514), (1388, 13529453), (2252, 8338757), (2429, 7731116), (3433, 5470108), (3941, 4765004), (4858, 3865558), (6866, 2735054), (7882, 2382502), (9716, 1932779), (13732, 1367527), (15764, 1191251), (24031, 781444), (48062, 390722), (96124, 195361)]