16880968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8543}}^1$

素因数の和:8581

約数の個数: 32

約数和(自身を含む): 35884800

約数和(自身を除く): 19003832

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 8543, 17086, 34172, 68344, 111059, 162317, 222118, 324634, 444236, 649268, 888472, 1298536, 2110121, 4220242, 8440484, 16880968]

約数ペア:

[(1, 16880968), (2, 8440484), (4, 4220242), (8, 2110121), (13, 1298536), (19, 888472), (26, 649268), (38, 444236), (52, 324634), (76, 222118), (104, 162317), (152, 111059), (247, 68344), (494, 34172), (988, 17086), (1976, 8543)]