19005754660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{14759}}^1$

素因数の和:14897

約数の個数: 72

約数和(自身を含む): 41859478080

約数和(自身を除く): 22853723420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 961, 1340, 1922, 2077, 3844, 4154, 4805, 8308, 9610, 10385, 14759, 19220, 20770, 29518, 41540, 59036, 64387, 73795, 128774, 147590, 257548, 295180, 321935, 457529, 643870, 915058, 988853, 1287740, 1830116, 1977706, 2287645, 3955412, 4575290, 4944265, 9150580, 9888530, 14183399, 19777060, 28366798, 30654443, 56733596, 61308886, 70916995, 122617772, 141833990, 153272215, 283667980, 306544430, 613088860, 950287733, 1900575466, 3801150932, 4751438665, 9502877330, 19005754660]

約数ペア:

[(1, 19005754660), (2, 9502877330), (4, 4751438665), (5, 3801150932), (10, 1900575466), (20, 950287733), (31, 613088860), (62, 306544430), (67, 283667980), (124, 153272215), (134, 141833990), (155, 122617772), (268, 70916995), (310, 61308886), (335, 56733596), (620, 30654443), (670, 28366798), (961, 19777060), (1340, 14183399), (1922, 9888530), (2077, 9150580), (3844, 4944265), (4154, 4575290), (4805, 3955412), (8308, 2287645), (9610, 1977706), (10385, 1830116), (14759, 1287740), (19220, 988853), (20770, 915058), (29518, 643870), (41540, 457529), (59036, 321935), (64387, 295180), (73795, 257548), (128774, 147590)]