19984056

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 33480264

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 41, 46, 69, 82, 92, 123, 138, 164, 184, 246, 276, 328, 492, 552, 883, 943, 984, 1766, 1886, 2649, 2829, 3532, 3772, 5298, 5658, 7064, 7544, 10596, 11316, 20309, 21192, 22632, 36203, 40618, 60927, 72406, 81236, 108609, 121854, 144812, 162472, 217218, 243708, 289624, 434436, 487416, 832669, 868872, 1665338, 2498007, 3330676, 4996014, 6661352, 9992028, 19984056]

約数ペア:

[(1, 19984056), (2, 9992028), (3, 6661352), (4, 4996014), (6, 3330676), (8, 2498007), (12, 1665338), (23, 868872), (24, 832669), (41, 487416), (46, 434436), (69, 289624), (82, 243708), (92, 217218), (123, 162472), (138, 144812), (164, 121854), (184, 108609), (246, 81236), (276, 72406), (328, 60927), (492, 40618), (552, 36203), (883, 22632), (943, 21192), (984, 20309), (1766, 11316), (1886, 10596), (2649, 7544), (2829, 7064), (3532, 5658), (3772, 5298)]