18447498244

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{19531}}^1$

素因数の和:19689

約数の個数: 72

約数和(自身を含む): 38654609280

約数和(自身を除く): 20207111036

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 79, 98, 122, 158, 196, 244, 316, 427, 553, 854, 1106, 1708, 2212, 2989, 3871, 4819, 5978, 7742, 9638, 11956, 15484, 19276, 19531, 33733, 39062, 67466, 78124, 134932, 136717, 236131, 273434, 472262, 546868, 944524, 957019, 1191391, 1542949, 1914038, 2382782, 3085898, 3828076, 4765564, 6171796, 8339737, 10800643, 16679474, 21601286, 33358948, 43202572, 58378159, 75604501, 94119889, 116756318, 151209002, 188239778, 233512636, 302418004, 376479556, 658839223, 1317678446, 2635356892, 4611874561, 9223749122, 18447498244]

約数ペア:

[(1, 18447498244), (2, 9223749122), (4, 4611874561), (7, 2635356892), (14, 1317678446), (28, 658839223), (49, 376479556), (61, 302418004), (79, 233512636), (98, 188239778), (122, 151209002), (158, 116756318), (196, 94119889), (244, 75604501), (316, 58378159), (427, 43202572), (553, 33358948), (854, 21601286), (1106, 16679474), (1708, 10800643), (2212, 8339737), (2989, 6171796), (3871, 4765564), (4819, 3828076), (5978, 3085898), (7742, 2382782), (9638, 1914038), (11956, 1542949), (15484, 1191391), (19276, 957019), (19531, 944524), (33733, 546868), (39062, 472262), (67466, 273434), (78124, 236131), (134932, 136717)]