18979272

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 57482880

約数和(自身を除く): 38503608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 751, 936, 972, 1053, 1404, 1502, 1944, 2106, 2253, 2808, 3004, 3159, 4212, 4506, 6008, 6318, 6759, 8424, 9012, 9763, 12636, 13518, 18024, 19526, 20277, 25272, 27036, 29289, 39052, 40554, 54072, 58578, 60831, 78104, 81108, 87867, 117156, 121662, 162216, 175734, 182493, 234312, 243324, 263601, 351468, 364986, 486648, 527202, 702936, 729972, 790803, 1054404, 1459944, 1581606, 2108808, 2372409, 3163212, 4744818, 6326424, 9489636, 18979272]

約数ペア:

[(1, 18979272), (2, 9489636), (3, 6326424), (4, 4744818), (6, 3163212), (8, 2372409), (9, 2108808), (12, 1581606), (13, 1459944), (18, 1054404), (24, 790803), (26, 729972), (27, 702936), (36, 527202), (39, 486648), (52, 364986), (54, 351468), (72, 263601), (78, 243324), (81, 234312), (104, 182493), (108, 175734), (117, 162216), (156, 121662), (162, 117156), (216, 87867), (234, 81108), (243, 78104), (312, 60831), (324, 58578), (351, 54072), (468, 40554), (486, 39052), (648, 29289), (702, 27036), (751, 25272), (936, 20277), (972, 19526), (1053, 18024), (1404, 13518), (1502, 12636), (1944, 9763), (2106, 9012), (2253, 8424), (2808, 6759), (3004, 6318), (3159, 6008), (4212, 4506)]