19605460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 47456640

約数和(自身を除く): 27851180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1069, 1310, 1834, 2138, 2620, 3668, 4276, 4585, 5345, 7483, 9170, 10690, 14966, 18340, 21380, 29932, 37415, 74830, 140039, 149660, 280078, 560156, 700195, 980273, 1400390, 1960546, 2800780, 3921092, 4901365, 9802730, 19605460]

約数ペア:

[(1, 19605460), (2, 9802730), (4, 4901365), (5, 3921092), (7, 2800780), (10, 1960546), (14, 1400390), (20, 980273), (28, 700195), (35, 560156), (70, 280078), (131, 149660), (140, 140039), (262, 74830), (524, 37415), (655, 29932), (917, 21380), (1069, 18340), (1310, 14966), (1834, 10690), (2138, 9170), (2620, 7483), (3668, 5345), (4276, 4585)]