19418904

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1559}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 52930800

約数和(自身を除く): 33511896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1559, 2076, 3114, 3118, 4152, 4677, 6228, 6236, 9354, 12456, 12472, 14031, 18708, 28062, 37416, 56124, 112248, 269707, 539414, 809121, 1078828, 1618242, 2157656, 2427363, 3236484, 4854726, 6472968, 9709452, 19418904]

約数ペア:

[(1, 19418904), (2, 9709452), (3, 6472968), (4, 4854726), (6, 3236484), (8, 2427363), (9, 2157656), (12, 1618242), (18, 1078828), (24, 809121), (36, 539414), (72, 269707), (173, 112248), (346, 56124), (519, 37416), (692, 28062), (1038, 18708), (1384, 14031), (1557, 12472), (1559, 12456), (2076, 9354), (3114, 6236), (3118, 6228), (4152, 4677)]