19353420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1455

約数の個数: 72

約数和(自身を含む): 59492160

約数和(自身を除く): 40138740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1361, 1422, 1580, 2370, 2722, 2844, 3555, 4083, 4740, 5444, 6805, 7110, 8166, 12249, 13610, 14220, 16332, 20415, 24498, 27220, 40830, 48996, 61245, 81660, 107519, 122490, 215038, 244980, 322557, 430076, 537595, 645114, 967671, 1075190, 1290228, 1612785, 1935342, 2150380, 3225570, 3870684, 4838355, 6451140, 9676710, 19353420]

約数ペア:

[(1, 19353420), (2, 9676710), (3, 6451140), (4, 4838355), (5, 3870684), (6, 3225570), (9, 2150380), (10, 1935342), (12, 1612785), (15, 1290228), (18, 1075190), (20, 967671), (30, 645114), (36, 537595), (45, 430076), (60, 322557), (79, 244980), (90, 215038), (158, 122490), (180, 107519), (237, 81660), (316, 61245), (395, 48996), (474, 40830), (711, 27220), (790, 24498), (948, 20415), (1185, 16332), (1361, 14220), (1422, 13610), (1580, 12249), (2370, 8166), (2722, 7110), (2844, 6805), (3555, 5444), (4083, 4740)]