18837186921

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{18233}}^1$

素因数の和:18323

約数の個数: 72

約数和(自身を含む): 33557561856

約数和(自身を除く): 14720374935

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 529, 651, 713, 1449, 1587, 1953, 2139, 3703, 4761, 4991, 6417, 11109, 14973, 16399, 18233, 33327, 44919, 49197, 54699, 114793, 127631, 147591, 164097, 344379, 382893, 419359, 565223, 1033137, 1148679, 1258077, 1695669, 2935513, 3774231, 3956561, 5087007, 8806539, 9645257, 11869683, 13000129, 26419617, 28935771, 35609049, 39000387, 67516799, 86807313, 91000903, 117001161, 202550397, 273002709, 299002967, 607651191, 819008127, 897008901, 2093020769, 2691026703, 6279062307, 18837186921]

約数ペア:

[(1, 18837186921), (3, 6279062307), (7, 2691026703), (9, 2093020769), (21, 897008901), (23, 819008127), (31, 607651191), (63, 299002967), (69, 273002709), (93, 202550397), (161, 117001161), (207, 91000903), (217, 86807313), (279, 67516799), (483, 39000387), (529, 35609049), (651, 28935771), (713, 26419617), (1449, 13000129), (1587, 11869683), (1953, 9645257), (2139, 8806539), (3703, 5087007), (4761, 3956561), (4991, 3774231), (6417, 2935513), (11109, 1695669), (14973, 1258077), (16399, 1148679), (18233, 1033137), (33327, 565223), (44919, 419359), (49197, 382893), (54699, 344379), (114793, 164097), (127631, 147591)]