19289690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1153}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 39882240

約数和(自身を除く): 20592550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1153, 1195, 1673, 2306, 2390, 3346, 5765, 8071, 8365, 11530, 16142, 16730, 40355, 80710, 275567, 551134, 1377835, 1928969, 2755670, 3857938, 9644845, 19289690]

約数ペア:

[(1, 19289690), (2, 9644845), (5, 3857938), (7, 2755670), (10, 1928969), (14, 1377835), (35, 551134), (70, 275567), (239, 80710), (478, 40355), (1153, 16730), (1195, 16142), (1673, 11530), (2306, 8365), (2390, 8071), (3346, 5765)]