19867668

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 49284480

約数和(自身を除く): 29416812

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 1543, 2146, 3086, 3219, 4292, 4629, 6172, 6438, 9258, 12876, 18516, 44747, 57091, 89494, 114182, 134241, 171273, 178988, 228364, 268482, 342546, 536964, 685092, 1655639, 3311278, 4966917, 6622556, 9933834, 19867668]

約数ペア:

[(1, 19867668), (2, 9933834), (3, 6622556), (4, 4966917), (6, 3311278), (12, 1655639), (29, 685092), (37, 536964), (58, 342546), (74, 268482), (87, 228364), (111, 178988), (116, 171273), (148, 134241), (174, 114182), (222, 89494), (348, 57091), (444, 44747), (1073, 18516), (1543, 12876), (2146, 9258), (3086, 6438), (3219, 6172), (4292, 4629)]