19953984

素因数分解:

$2^6\times 3^1\times {\mathrm{103}}^1\times {\mathrm{1009}}^1$

素因数の和:1127

約数の個数: 56

約数和(自身を含む): 53360320

約数和(自身を除く): 33406336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 103, 192, 206, 309, 412, 618, 824, 1009, 1236, 1648, 2018, 2472, 3027, 3296, 4036, 4944, 6054, 6592, 8072, 9888, 12108, 16144, 19776, 24216, 32288, 48432, 64576, 96864, 103927, 193728, 207854, 311781, 415708, 623562, 831416, 1247124, 1662832, 2494248, 3325664, 4988496, 6651328, 9976992, 19953984]

約数ペア:

[(1, 19953984), (2, 9976992), (3, 6651328), (4, 4988496), (6, 3325664), (8, 2494248), (12, 1662832), (16, 1247124), (24, 831416), (32, 623562), (48, 415708), (64, 311781), (96, 207854), (103, 193728), (192, 103927), (206, 96864), (309, 64576), (412, 48432), (618, 32288), (824, 24216), (1009, 19776), (1236, 16144), (1648, 12108), (2018, 9888), (2472, 8072), (3027, 6592), (3296, 6054), (4036, 4944)]