19998994288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{14293}}^1$

素因数の和:14383

約数の個数: 120

約数和(自身を含む): 49281366624

約数和(自身を除く): 29282372336

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 961, 1456, 1612, 1736, 1922, 2821, 3224, 3472, 3844, 5642, 6448, 6727, 7688, 11284, 12493, 13454, 14293, 15376, 22568, 24986, 26908, 28586, 45136, 49972, 53816, 57172, 87451, 99944, 100051, 107632, 114344, 174902, 185809, 199888, 200102, 228688, 349804, 371618, 400204, 443083, 699608, 743236, 800408, 886166, 1300663, 1399216, 1486472, 1600816, 1772332, 2601326, 2972944, 3101581, 3544664, 5202652, 5760079, 6203162, 7089328, 10405304, 11520158, 12406324, 13735573, 20810608, 23040316, 24812648, 27471146, 40320553, 46080632, 49625296, 54942292, 80641106, 92161264, 96149011, 109884584, 161282212, 178562449, 192298022, 219769168, 322564424, 357124898, 384596044, 645128848, 714249796, 769192088, 1249937143, 1428499592, 1538384176, 2499874286, 2856999184, 4999748572, 9999497144, 19998994288]

約数ペア:

[(1, 19998994288), (2, 9999497144), (4, 4999748572), (7, 2856999184), (8, 2499874286), (13, 1538384176), (14, 1428499592), (16, 1249937143), (26, 769192088), (28, 714249796), (31, 645128848), (52, 384596044), (56, 357124898), (62, 322564424), (91, 219769168), (104, 192298022), (112, 178562449), (124, 161282212), (182, 109884584), (208, 96149011), (217, 92161264), (248, 80641106), (364, 54942292), (403, 49625296), (434, 46080632), (496, 40320553), (728, 27471146), (806, 24812648), (868, 23040316), (961, 20810608), (1456, 13735573), (1612, 12406324), (1736, 11520158), (1922, 10405304), (2821, 7089328), (3224, 6203162), (3472, 5760079), (3844, 5202652), (5642, 3544664), (6448, 3101581), (6727, 2972944), (7688, 2601326), (11284, 1772332), (12493, 1600816), (13454, 1486472), (14293, 1399216), (15376, 1300663), (22568, 886166), (24986, 800408), (26908, 743236), (28586, 699608), (45136, 443083), (49972, 400204), (53816, 371618), (57172, 349804), (87451, 228688), (99944, 200102), (100051, 199888), (107632, 185809), (114344, 174902)]