18928085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 7683115

約数列:

[1, 5, 11, 19, 55, 59, 95, 209, 295, 307, 649, 1045, 1121, 1535, 3245, 3377, 5605, 5833, 12331, 16885, 18113, 29165, 61655, 64163, 90565, 199243, 320815, 344147, 996215, 1720735, 3785617, 18928085]

約数ペア:

[(1, 18928085), (5, 3785617), (11, 1720735), (19, 996215), (55, 344147), (59, 320815), (95, 199243), (209, 90565), (295, 64163), (307, 61655), (649, 29165), (1045, 18113), (1121, 16885), (1535, 12331), (3245, 5833), (3377, 5605)]