18899689844

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{647161}}^1$

素因数の和:647328

約数の個数: 36

約数和(自身を含む): 38732645700

約数和(自身を除く): 19832955856

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 1043, 2086, 4172, 7301, 14602, 29204, 647161, 1294322, 2588644, 4530127, 9060254, 18120508, 31710889, 63421778, 96426989, 126843556, 192853978, 385707956, 674988923, 1349977846, 2699955692, 4724922461, 9449844922, 18899689844]

約数ペア:

[(1, 18899689844), (2, 9449844922), (4, 4724922461), (7, 2699955692), (14, 1349977846), (28, 674988923), (49, 385707956), (98, 192853978), (149, 126843556), (196, 96426989), (298, 63421778), (596, 31710889), (1043, 18120508), (2086, 9060254), (4172, 4530127), (7301, 2588644), (14602, 1294322), (29204, 647161)]