19707030

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10427}}^1$

素因数の和:10450

約数の個数: 64

約数和(自身を含む): 60065280

約数和(自身を除く): 40358250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10427, 20854, 31281, 52135, 62562, 72989, 93843, 104270, 145978, 156405, 187686, 218967, 281529, 312810, 364945, 437934, 469215, 563058, 656901, 729890, 938430, 1094835, 1313802, 1407645, 1970703, 2189670, 2815290, 3284505, 3941406, 6569010, 9853515, 19707030]

約数ペア:

[(1, 19707030), (2, 9853515), (3, 6569010), (5, 3941406), (6, 3284505), (7, 2815290), (9, 2189670), (10, 1970703), (14, 1407645), (15, 1313802), (18, 1094835), (21, 938430), (27, 729890), (30, 656901), (35, 563058), (42, 469215), (45, 437934), (54, 364945), (63, 312810), (70, 281529), (90, 218967), (105, 187686), (126, 156405), (135, 145978), (189, 104270), (210, 93843), (270, 72989), (315, 62562), (378, 52135), (630, 31281), (945, 20854), (1890, 10427)]