19247655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19072473

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 263, 287, 357, 595, 615, 697, 789, 861, 1315, 1435, 1785, 1841, 2091, 3485, 3945, 4305, 4471, 4879, 5523, 9205, 10455, 10783, 13413, 14637, 22355, 24395, 27615, 31297, 32349, 53915, 67065, 73185, 75481, 93891, 156485, 161745, 183311, 226443, 377405, 469455, 549933, 916555, 1132215, 1283177, 2749665, 3849531, 6415885, 19247655]

約数ペア:

[(1, 19247655), (3, 6415885), (5, 3849531), (7, 2749665), (15, 1283177), (17, 1132215), (21, 916555), (35, 549933), (41, 469455), (51, 377405), (85, 226443), (105, 183311), (119, 161745), (123, 156485), (205, 93891), (255, 75481), (263, 73185), (287, 67065), (357, 53915), (595, 32349), (615, 31297), (697, 27615), (789, 24395), (861, 22355), (1315, 14637), (1435, 13413), (1785, 10783), (1841, 10455), (2091, 9205), (3485, 5523), (3945, 4879), (4305, 4471)]