19297683

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 30457152

約数和(自身を除く): 11159469

約数列:

[1, 3, 9, 27, 37, 47, 81, 111, 137, 141, 333, 411, 423, 999, 1233, 1269, 1739, 2997, 3699, 3807, 5069, 5217, 6439, 11097, 15207, 15651, 19317, 45621, 46953, 57951, 136863, 140859, 173853, 238243, 410589, 521559, 714729, 2144187, 6432561, 19297683]

約数ペア:

[(1, 19297683), (3, 6432561), (9, 2144187), (27, 714729), (37, 521559), (47, 410589), (81, 238243), (111, 173853), (137, 140859), (141, 136863), (333, 57951), (411, 46953), (423, 45621), (999, 19317), (1233, 15651), (1269, 15207), (1739, 11097), (2997, 6439), (3699, 5217), (3807, 5069)]