19484340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2557}}^1$

素因数の和:2696

約数の個数: 48

約数和(自身を含む): 55007232

約数和(自身を除く): 35522892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2557, 3810, 5114, 7620, 7671, 10228, 12785, 15342, 25570, 30684, 38355, 51140, 76710, 153420, 324739, 649478, 974217, 1298956, 1623695, 1948434, 3247390, 3896868, 4871085, 6494780, 9742170, 19484340]

約数ペア:

[(1, 19484340), (2, 9742170), (3, 6494780), (4, 4871085), (5, 3896868), (6, 3247390), (10, 1948434), (12, 1623695), (15, 1298956), (20, 974217), (30, 649478), (60, 324739), (127, 153420), (254, 76710), (381, 51140), (508, 38355), (635, 30684), (762, 25570), (1270, 15342), (1524, 12785), (1905, 10228), (2540, 7671), (2557, 7620), (3810, 5114)]