18704698540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{427243}}^1$

素因数の和:427462

約数の個数: 48

約数和(自身を含む): 43066195200

約数和(自身を除く): 24361496660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 43780, 427243, 854486, 1708972, 2136215, 4272430, 4699673, 8544860, 9399346, 18798692, 23498365, 46996730, 85021357, 93993460, 170042714, 340085428, 425106785, 850213570, 935234927, 1700427140, 1870469854, 3740939708, 4676174635, 9352349270, 18704698540]

約数ペア:

[(1, 18704698540), (2, 9352349270), (4, 4676174635), (5, 3740939708), (10, 1870469854), (11, 1700427140), (20, 935234927), (22, 850213570), (44, 425106785), (55, 340085428), (110, 170042714), (199, 93993460), (220, 85021357), (398, 46996730), (796, 23498365), (995, 18798692), (1990, 9399346), (2189, 8544860), (3980, 4699673), (4378, 4272430), (8756, 2136215), (10945, 1708972), (21890, 854486), (43780, 427243)]