19528079180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{5711}}^1$

素因数の和:5939

約数の個数: 96

約数和(自身を含む): 44305470720

約数和(自身を除く): 24777391540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 113, 170, 178, 226, 340, 356, 445, 452, 565, 890, 1130, 1513, 1780, 1921, 2260, 3026, 3842, 5711, 6052, 7565, 7684, 9605, 10057, 11422, 15130, 19210, 20114, 22844, 28555, 30260, 38420, 40228, 50285, 57110, 97087, 100570, 114220, 170969, 194174, 201140, 341938, 388348, 485435, 508279, 645343, 683876, 854845, 970870, 1016558, 1290686, 1709690, 1941740, 2033116, 2541395, 2581372, 3226715, 3419380, 5082790, 6453430, 8640743, 10165580, 10970831, 12906860, 17281486, 21941662, 34562972, 43203715, 43883324, 54854155, 57435527, 86407430, 109708310, 114871054, 172814860, 219416620, 229742108, 287177635, 574355270, 976403959, 1148710540, 1952807918, 3905615836, 4882019795, 9764039590, 19528079180]

約数ペア:

[(1, 19528079180), (2, 9764039590), (4, 4882019795), (5, 3905615836), (10, 1952807918), (17, 1148710540), (20, 976403959), (34, 574355270), (68, 287177635), (85, 229742108), (89, 219416620), (113, 172814860), (170, 114871054), (178, 109708310), (226, 86407430), (340, 57435527), (356, 54854155), (445, 43883324), (452, 43203715), (565, 34562972), (890, 21941662), (1130, 17281486), (1513, 12906860), (1780, 10970831), (1921, 10165580), (2260, 8640743), (3026, 6453430), (3842, 5082790), (5711, 3419380), (6052, 3226715), (7565, 2581372), (7684, 2541395), (9605, 2033116), (10057, 1941740), (11422, 1709690), (15130, 1290686), (19210, 1016558), (20114, 970870), (22844, 854845), (28555, 683876), (30260, 645343), (38420, 508279), (40228, 485435), (50285, 388348), (57110, 341938), (97087, 201140), (100570, 194174), (114220, 170969)]