19610968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 40012560

約数和(自身を除く): 20401592

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 1867, 2626, 3734, 5252, 7468, 10504, 14936, 24271, 48542, 97084, 188567, 194168, 377134, 754268, 1508536, 2451371, 4902742, 9805484, 19610968]

約数ペア:

[(1, 19610968), (2, 9805484), (4, 4902742), (8, 2451371), (13, 1508536), (26, 754268), (52, 377134), (101, 194168), (104, 188567), (202, 97084), (404, 48542), (808, 24271), (1313, 14936), (1867, 10504), (2626, 7468), (3734, 5252)]