19873748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 19244716

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 97, 131, 194, 262, 388, 391, 524, 782, 1564, 1649, 2227, 2231, 3013, 3298, 4454, 4462, 6026, 6596, 8908, 8924, 12052, 12707, 25414, 37927, 50828, 51221, 75854, 102442, 151708, 204884, 216019, 292261, 432038, 584522, 864076, 1169044, 4968437, 9936874, 19873748]

約数ペア:

[(1, 19873748), (2, 9936874), (4, 4968437), (17, 1169044), (23, 864076), (34, 584522), (46, 432038), (68, 292261), (92, 216019), (97, 204884), (131, 151708), (194, 102442), (262, 75854), (388, 51221), (391, 50828), (524, 37927), (782, 25414), (1564, 12707), (1649, 12052), (2227, 8924), (2231, 8908), (3013, 6596), (3298, 6026), (4454, 4462)]