18771417

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1031}}^1$

素因数の和:1078

約数の個数: 36

約数和(自身を含む): 32949696

約数和(自身を除く): 14178279

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1031, 1071, 2023, 2601, 3093, 6069, 7217, 9279, 17527, 18207, 21651, 52581, 64953, 122689, 157743, 297959, 368067, 893877, 1104201, 2085713, 2681631, 6257139, 18771417]

約数ペア:

[(1, 18771417), (3, 6257139), (7, 2681631), (9, 2085713), (17, 1104201), (21, 893877), (51, 368067), (63, 297959), (119, 157743), (153, 122689), (289, 64953), (357, 52581), (867, 21651), (1031, 18207), (1071, 17527), (2023, 9279), (2601, 7217), (3093, 6069)]