19819242

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 80

約数和(自身を含む): 48090240

約数和(自身を除く): 28270998

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 81, 94, 114, 137, 141, 162, 171, 274, 282, 342, 411, 423, 513, 822, 846, 893, 1026, 1233, 1269, 1539, 1786, 2466, 2538, 2603, 2679, 3078, 3699, 3807, 5206, 5358, 6439, 7398, 7614, 7809, 8037, 11097, 12878, 15618, 16074, 19317, 22194, 23427, 24111, 38634, 46854, 48222, 57951, 70281, 72333, 115902, 122341, 140562, 144666, 173853, 210843, 244682, 347706, 367023, 421686, 521559, 734046, 1043118, 1101069, 2202138, 3303207, 6606414, 9909621, 19819242]

約数ペア:

[(1, 19819242), (2, 9909621), (3, 6606414), (6, 3303207), (9, 2202138), (18, 1101069), (19, 1043118), (27, 734046), (38, 521559), (47, 421686), (54, 367023), (57, 347706), (81, 244682), (94, 210843), (114, 173853), (137, 144666), (141, 140562), (162, 122341), (171, 115902), (274, 72333), (282, 70281), (342, 57951), (411, 48222), (423, 46854), (513, 38634), (822, 24111), (846, 23427), (893, 22194), (1026, 19317), (1233, 16074), (1269, 15618), (1539, 12878), (1786, 11097), (2466, 8037), (2538, 7809), (2603, 7614), (2679, 7398), (3078, 6439), (3699, 5358), (3807, 5206)]