18834039

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 32757120

約数和(自身を除く): 13923081

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 563, 567, 1239, 1593, 1689, 3717, 3941, 4779, 5067, 11151, 11823, 15201, 33217, 33453, 35469, 45603, 99651, 106407, 232519, 298953, 319221, 697557, 896859, 2092671, 2690577, 6278013, 18834039]

約数ペア:

[(1, 18834039), (3, 6278013), (7, 2690577), (9, 2092671), (21, 896859), (27, 697557), (59, 319221), (63, 298953), (81, 232519), (177, 106407), (189, 99651), (413, 45603), (531, 35469), (563, 33453), (567, 33217), (1239, 15201), (1593, 11823), (1689, 11151), (3717, 5067), (3941, 4779)]