18942981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 28563840

約数和(自身を除く): 9620859

約数列:

[1, 3, 17, 19, 51, 57, 113, 173, 323, 339, 519, 969, 1921, 2147, 2941, 3287, 5763, 6441, 8823, 9861, 19549, 36499, 55879, 58647, 109497, 167637, 332333, 371431, 996999, 1114293, 6314327, 18942981]

約数ペア:

[(1, 18942981), (3, 6314327), (17, 1114293), (19, 996999), (51, 371431), (57, 332333), (113, 167637), (173, 109497), (323, 58647), (339, 55879), (519, 36499), (969, 19549), (1921, 9861), (2147, 8823), (2941, 6441), (3287, 5763)]