19391656

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 18105944

約数列:

[1, 2, 4, 8, 61, 79, 122, 158, 244, 316, 488, 503, 632, 1006, 2012, 4024, 4819, 9638, 19276, 30683, 38552, 39737, 61366, 79474, 122732, 158948, 245464, 317896, 2423957, 4847914, 9695828, 19391656]

約数ペア:

[(1, 19391656), (2, 9695828), (4, 4847914), (8, 2423957), (61, 317896), (79, 245464), (122, 158948), (158, 122732), (244, 79474), (316, 61366), (488, 39737), (503, 38552), (632, 30683), (1006, 19276), (2012, 9638), (4024, 4819)]