19323580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 42247296

約数和(自身を除く): 22923716

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 337, 470, 610, 674, 940, 1220, 1348, 1685, 2867, 3370, 5734, 6740, 11468, 14335, 15839, 20557, 28670, 31678, 41114, 57340, 63356, 79195, 82228, 102785, 158390, 205570, 316780, 411140, 966179, 1932358, 3864716, 4830895, 9661790, 19323580]

約数ペア:

[(1, 19323580), (2, 9661790), (4, 4830895), (5, 3864716), (10, 1932358), (20, 966179), (47, 411140), (61, 316780), (94, 205570), (122, 158390), (188, 102785), (235, 82228), (244, 79195), (305, 63356), (337, 57340), (470, 41114), (610, 31678), (674, 28670), (940, 20557), (1220, 15839), (1348, 14335), (1685, 11468), (2867, 6740), (3370, 5734)]