19990404984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{188831}}^1$

素因数の和:189252

約数の個数: 64

約数和(自身を含む): 54655534080

約数和(自身を除く): 34665129096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 401, 802, 1203, 1604, 2406, 3208, 4411, 4812, 8822, 9624, 13233, 17644, 26466, 35288, 52932, 105864, 188831, 377662, 566493, 755324, 1132986, 1510648, 2077141, 2265972, 4154282, 4531944, 6231423, 8308564, 12462846, 16617128, 24925692, 49851384, 75721231, 151442462, 227163693, 302884924, 454327386, 605769848, 832933541, 908654772, 1665867082, 1817309544, 2498800623, 3331734164, 4997601246, 6663468328, 9995202492, 19990404984]

約数ペア:

[(1, 19990404984), (2, 9995202492), (3, 6663468328), (4, 4997601246), (6, 3331734164), (8, 2498800623), (11, 1817309544), (12, 1665867082), (22, 908654772), (24, 832933541), (33, 605769848), (44, 454327386), (66, 302884924), (88, 227163693), (132, 151442462), (264, 75721231), (401, 49851384), (802, 24925692), (1203, 16617128), (1604, 12462846), (2406, 8308564), (3208, 6231423), (4411, 4531944), (4812, 4154282), (8822, 2265972), (9624, 2077141), (13233, 1510648), (17644, 1132986), (26466, 755324), (35288, 566493), (52932, 377662), (105864, 188831)]