15219728

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 30986112

約数和(自身を除く): 15766384

約数列:

[1, 2, 4, 8, 16, 37, 47, 74, 94, 148, 188, 296, 376, 547, 592, 752, 1094, 1739, 2188, 3478, 4376, 6956, 8752, 13912, 20239, 25709, 27824, 40478, 51418, 80956, 102836, 161912, 205672, 323824, 411344, 951233, 1902466, 3804932, 7609864, 15219728]

約数ペア:

[(1, 15219728), (2, 7609864), (4, 3804932), (8, 1902466), (16, 951233), (37, 411344), (47, 323824), (74, 205672), (94, 161912), (148, 102836), (188, 80956), (296, 51418), (376, 40478), (547, 27824), (592, 25709), (752, 20239), (1094, 13912), (1739, 8752), (2188, 6956), (3478, 4376)]