19984284

素因数分解:

$2^2\times 3^2\times {\mathrm{555119}}^1$

素因数の和:555129

約数の個数: 18

約数和(自身を含む): 50515920

約数和(自身を除く): 30531636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555119, 1110238, 1665357, 2220476, 3330714, 4996071, 6661428, 9992142, 19984284]

約数ペア:

[(1, 19984284), (2, 9992142), (3, 6661428), (4, 4996071), (6, 3330714), (9, 2220476), (12, 1665357), (18, 1110238), (36, 555119)]