19284885

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2801}}^1$

素因数の和:2835

約数の個数: 40

約数和(自身を含む): 36616536

約数和(自身を除く): 17331651

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2801, 6885, 8403, 14005, 25209, 42015, 47617, 75627, 126045, 142851, 226881, 238085, 378135, 428553, 714255, 1134405, 1285659, 2142765, 3856977, 6428295, 19284885]

約数ペア:

[(1, 19284885), (3, 6428295), (5, 3856977), (9, 2142765), (15, 1285659), (17, 1134405), (27, 714255), (45, 428553), (51, 378135), (81, 238085), (85, 226881), (135, 142851), (153, 126045), (255, 75627), (405, 47617), (459, 42015), (765, 25209), (1377, 14005), (2295, 8403), (2801, 6885)]