19998522036

素因数分解:

$2^2\times 3^2\times {\mathrm{12841}}^1\times {\mathrm{43261}}^1$

素因数の和:56112

約数の個数: 36

約数和(自身を含む): 50556924964

約数和(自身を除く): 30558402928

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 12841, 25682, 38523, 43261, 51364, 77046, 86522, 115569, 129783, 154092, 173044, 231138, 259566, 389349, 462276, 519132, 778698, 1557396, 555514501, 1111029002, 1666543503, 2222058004, 3333087006, 4999630509, 6666174012, 9999261018, 19998522036]

約数ペア:

[(1, 19998522036), (2, 9999261018), (3, 6666174012), (4, 4999630509), (6, 3333087006), (9, 2222058004), (12, 1666543503), (18, 1111029002), (36, 555514501), (12841, 1557396), (25682, 778698), (38523, 519132), (43261, 462276), (51364, 389349), (77046, 259566), (86522, 231138), (115569, 173044), (129783, 154092)]