19530056

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 45628800

約数和(自身を除く): 26098744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 139, 182, 193, 278, 364, 386, 556, 728, 772, 973, 1112, 1351, 1544, 1807, 1946, 2509, 2702, 3614, 3892, 5018, 5404, 7228, 7784, 10036, 10808, 12649, 14456, 17563, 20072, 25298, 26827, 35126, 50596, 53654, 70252, 101192, 107308, 140504, 187789, 214616, 348751, 375578, 697502, 751156, 1395004, 1502312, 2441257, 2790008, 4882514, 9765028, 19530056]

約数ペア:

[(1, 19530056), (2, 9765028), (4, 4882514), (7, 2790008), (8, 2441257), (13, 1502312), (14, 1395004), (26, 751156), (28, 697502), (52, 375578), (56, 348751), (91, 214616), (104, 187789), (139, 140504), (182, 107308), (193, 101192), (278, 70252), (364, 53654), (386, 50596), (556, 35126), (728, 26827), (772, 25298), (973, 20072), (1112, 17563), (1351, 14456), (1544, 12649), (1807, 10808), (1946, 10036), (2509, 7784), (2702, 7228), (3614, 5404), (3892, 5018)]