19513936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4079}}^1$

素因数の和:4123

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 22983344

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4079, 4784, 8158, 16316, 32632, 53027, 65264, 93817, 106054, 187634, 212108, 375268, 424216, 750536, 848432, 1219621, 1501072, 2439242, 4878484, 9756968, 19513936]

約数ペア:

[(1, 19513936), (2, 9756968), (4, 4878484), (8, 2439242), (13, 1501072), (16, 1219621), (23, 848432), (26, 750536), (46, 424216), (52, 375268), (92, 212108), (104, 187634), (184, 106054), (208, 93817), (299, 65264), (368, 53027), (598, 32632), (1196, 16316), (2392, 8158), (4079, 4784)]