18605655208

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:947

約数の個数: 128

約数和(自身を含む): 41626379520

約数和(自身を除く): 23020724312

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 101, 113, 172, 202, 226, 301, 344, 404, 452, 602, 677, 707, 791, 808, 904, 1204, 1354, 1414, 1582, 2408, 2708, 2828, 3164, 4343, 4739, 4859, 5416, 5656, 6328, 8686, 9478, 9718, 11413, 17372, 18956, 19436, 22826, 29111, 30401, 34013, 34744, 37912, 38872, 45652, 58222, 60802, 68026, 68377, 76501, 79891, 91304, 116444, 121604, 136052, 136754, 153002, 159782, 203777, 232888, 243208, 272104, 273508, 306004, 319564, 407554, 478639, 490759, 535507, 547016, 612008, 639128, 815108, 957278, 981518, 1071014, 1630216, 1914556, 1963036, 2142028, 2940211, 3289543, 3435313, 3829112, 3926072, 4284056, 5880422, 6579086, 6870626, 7726601, 11760844, 13158172, 13741252, 15453202, 20581477, 23026801, 23521688, 26316344, 27482504, 30906404, 41162954, 46053602, 54086207, 61812808, 82325908, 92107204, 108172414, 164651816, 184214408, 216344828, 332243843, 432689656, 664487686, 1328975372, 2325706901, 2657950744, 4651413802, 9302827604, 18605655208]

約数ペア:

[(1, 18605655208), (2, 9302827604), (4, 4651413802), (7, 2657950744), (8, 2325706901), (14, 1328975372), (28, 664487686), (43, 432689656), (56, 332243843), (86, 216344828), (101, 184214408), (113, 164651816), (172, 108172414), (202, 92107204), (226, 82325908), (301, 61812808), (344, 54086207), (404, 46053602), (452, 41162954), (602, 30906404), (677, 27482504), (707, 26316344), (791, 23521688), (808, 23026801), (904, 20581477), (1204, 15453202), (1354, 13741252), (1414, 13158172), (1582, 11760844), (2408, 7726601), (2708, 6870626), (2828, 6579086), (3164, 5880422), (4343, 4284056), (4739, 3926072), (4859, 3829112), (5416, 3435313), (5656, 3289543), (6328, 2940211), (8686, 2142028), (9478, 1963036), (9718, 1914556), (11413, 1630216), (17372, 1071014), (18956, 981518), (19436, 957278), (22826, 815108), (29111, 639128), (30401, 612008), (34013, 547016), (34744, 535507), (37912, 490759), (38872, 478639), (45652, 407554), (58222, 319564), (60802, 306004), (68026, 273508), (68377, 272104), (76501, 243208), (79891, 232888), (91304, 203777), (116444, 159782), (121604, 153002), (136052, 136754)]