19890962

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1201}}^1$

素因数の和:1243

約数の個数: 36

約数和(自身を含む): 37614186

約数和(自身を除く): 17723224

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 169, 182, 338, 637, 1183, 1201, 1274, 2366, 2402, 8281, 8407, 15613, 16562, 16814, 31226, 58849, 109291, 117698, 202969, 218582, 405938, 765037, 1420783, 1530074, 2841566, 9945481, 19890962]

約数ペア:

[(1, 19890962), (2, 9945481), (7, 2841566), (13, 1530074), (14, 1420783), (26, 765037), (49, 405938), (91, 218582), (98, 202969), (169, 117698), (182, 109291), (338, 58849), (637, 31226), (1183, 16814), (1201, 16562), (1274, 15613), (2366, 8407), (2402, 8281)]