18169690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3371}}^1$

素因数の和:3403

約数の個数: 48

約数和(自身を含む): 41516064

約数和(自身を除く): 23346374

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3371, 5390, 6742, 16855, 23597, 33710, 37081, 47194, 74162, 117985, 165179, 185405, 235970, 259567, 330358, 370810, 519134, 825895, 1297835, 1651790, 1816969, 2595670, 3633938, 9084845, 18169690]

約数ペア:

[(1, 18169690), (2, 9084845), (5, 3633938), (7, 2595670), (10, 1816969), (11, 1651790), (14, 1297835), (22, 825895), (35, 519134), (49, 370810), (55, 330358), (70, 259567), (77, 235970), (98, 185405), (110, 165179), (154, 117985), (245, 74162), (385, 47194), (490, 37081), (539, 33710), (770, 23597), (1078, 16855), (2695, 6742), (3371, 5390)]