19495620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 61555200

約数和(自身を除く): 42059580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 457, 474, 540, 711, 790, 914, 948, 1185, 1371, 1422, 1580, 1828, 2133, 2285, 2370, 2742, 2844, 3555, 4113, 4266, 4570, 4740, 5484, 6855, 7110, 8226, 8532, 9140, 10665, 12339, 13710, 14220, 16452, 20565, 21330, 24678, 27420, 36103, 41130, 42660, 49356, 61695, 72206, 82260, 108309, 123390, 144412, 180515, 216618, 246780, 324927, 361030, 433236, 541545, 649854, 722060, 974781, 1083090, 1299708, 1624635, 1949562, 2166180, 3249270, 3899124, 4873905, 6498540, 9747810, 19495620]

約数ペア:

[(1, 19495620), (2, 9747810), (3, 6498540), (4, 4873905), (5, 3899124), (6, 3249270), (9, 2166180), (10, 1949562), (12, 1624635), (15, 1299708), (18, 1083090), (20, 974781), (27, 722060), (30, 649854), (36, 541545), (45, 433236), (54, 361030), (60, 324927), (79, 246780), (90, 216618), (108, 180515), (135, 144412), (158, 123390), (180, 108309), (237, 82260), (270, 72206), (316, 61695), (395, 49356), (457, 42660), (474, 41130), (540, 36103), (711, 27420), (790, 24678), (914, 21330), (948, 20565), (1185, 16452), (1371, 14220), (1422, 13710), (1580, 12339), (1828, 10665), (2133, 9140), (2285, 8532), (2370, 8226), (2742, 7110), (2844, 6855), (3555, 5484), (4113, 4740), (4266, 4570)]