19491249708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{142969}}^1$

素因数の和:143527

約数の個数: 72

約数和(自身を含む): 56412530720

約数和(自身を除く): 36921281012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 541, 1082, 1623, 2164, 3246, 3787, 4869, 6492, 7574, 9738, 11361, 15148, 19476, 22722, 34083, 45444, 68166, 136332, 142969, 285938, 428907, 571876, 857814, 1000783, 1286721, 1715628, 2001566, 2573442, 3002349, 4003132, 5146884, 6004698, 9007047, 12009396, 18014094, 36028188, 77346229, 154692458, 232038687, 309384916, 464077374, 541423603, 696116061, 928154748, 1082847206, 1392232122, 1624270809, 2165694412, 2784464244, 3248541618, 4872812427, 6497083236, 9745624854, 19491249708]

約数ペア:

[(1, 19491249708), (2, 9745624854), (3, 6497083236), (4, 4872812427), (6, 3248541618), (7, 2784464244), (9, 2165694412), (12, 1624270809), (14, 1392232122), (18, 1082847206), (21, 928154748), (28, 696116061), (36, 541423603), (42, 464077374), (63, 309384916), (84, 232038687), (126, 154692458), (252, 77346229), (541, 36028188), (1082, 18014094), (1623, 12009396), (2164, 9007047), (3246, 6004698), (3787, 5146884), (4869, 4003132), (6492, 3002349), (7574, 2573442), (9738, 2001566), (11361, 1715628), (15148, 1286721), (19476, 1000783), (22722, 857814), (34083, 571876), (45444, 428907), (68166, 285938), (136332, 142969)]