19726695968

素因数分解:

$2^5\times 7^2\times {\mathrm{1831}}^1\times {\mathrm{6871}}^1$

素因数の和:8726

約数の個数: 72

約数和(自身を含む): 45208908864

約数和(自身を除く): 25482212896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 1831, 3662, 6871, 7324, 12817, 13742, 14648, 25634, 27484, 29296, 48097, 51268, 54968, 58592, 89719, 96194, 102536, 109936, 179438, 192388, 205072, 219872, 336679, 358876, 384776, 410144, 673358, 717752, 769552, 1346716, 1435504, 1539104, 2693432, 2871008, 5386864, 10773728, 12580801, 25161602, 50323204, 88065607, 100646408, 176131214, 201292816, 352262428, 402585632, 616459249, 704524856, 1232918498, 1409049712, 2465836996, 2818099424, 4931673992, 9863347984, 19726695968]

約数ペア:

[(1, 19726695968), (2, 9863347984), (4, 4931673992), (7, 2818099424), (8, 2465836996), (14, 1409049712), (16, 1232918498), (28, 704524856), (32, 616459249), (49, 402585632), (56, 352262428), (98, 201292816), (112, 176131214), (196, 100646408), (224, 88065607), (392, 50323204), (784, 25161602), (1568, 12580801), (1831, 10773728), (3662, 5386864), (6871, 2871008), (7324, 2693432), (12817, 1539104), (13742, 1435504), (14648, 1346716), (25634, 769552), (27484, 717752), (29296, 673358), (48097, 410144), (51268, 384776), (54968, 358876), (58592, 336679), (89719, 219872), (96194, 205072), (102536, 192388), (109936, 179438)]