19906638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2153}}^1$

素因数の和:2248

約数の個数: 32

約数和(自身を含む): 42183936

約数和(自身を除く): 22277298

約数列:

[1, 2, 3, 6, 23, 46, 67, 69, 134, 138, 201, 402, 1541, 2153, 3082, 4306, 4623, 6459, 9246, 12918, 49519, 99038, 144251, 148557, 288502, 297114, 432753, 865506, 3317773, 6635546, 9953319, 19906638]

約数ペア:

[(1, 19906638), (2, 9953319), (3, 6635546), (6, 3317773), (23, 865506), (46, 432753), (67, 297114), (69, 288502), (134, 148557), (138, 144251), (201, 99038), (402, 49519), (1541, 12918), (2153, 9246), (3082, 6459), (4306, 4623)]