20211858

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 46594080

約数和(自身を除く): 26382222

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 113, 114, 171, 226, 339, 342, 523, 678, 1017, 1046, 1569, 2034, 2147, 3138, 4294, 4707, 6441, 9414, 9937, 12882, 19323, 19874, 29811, 38646, 59099, 59622, 89433, 118198, 177297, 178866, 354594, 531891, 1063782, 1122881, 2245762, 3368643, 6737286, 10105929, 20211858]

約数ペア:

[(1, 20211858), (2, 10105929), (3, 6737286), (6, 3368643), (9, 2245762), (18, 1122881), (19, 1063782), (38, 531891), (57, 354594), (113, 178866), (114, 177297), (171, 118198), (226, 89433), (339, 59622), (342, 59099), (523, 38646), (678, 29811), (1017, 19874), (1046, 19323), (1569, 12882), (2034, 9937), (2147, 9414), (3138, 6441), (4294, 4707)]