19818504

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 53886300

約数和(自身を除く): 34067796

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 673, 818, 1227, 1346, 1636, 2019, 2454, 2692, 3272, 3681, 4038, 4908, 5384, 6057, 7362, 8076, 9816, 12114, 14724, 16152, 24228, 29448, 48456, 275257, 550514, 825771, 1101028, 1651542, 2202056, 2477313, 3303084, 4954626, 6606168, 9909252, 19818504]

約数ペア:

[(1, 19818504), (2, 9909252), (3, 6606168), (4, 4954626), (6, 3303084), (8, 2477313), (9, 2202056), (12, 1651542), (18, 1101028), (24, 825771), (36, 550514), (72, 275257), (409, 48456), (673, 29448), (818, 24228), (1227, 16152), (1346, 14724), (1636, 12114), (2019, 9816), (2454, 8076), (2692, 7362), (3272, 6057), (3681, 5384), (4038, 4908)]