19827088

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 39693888

約数和(自身を除く): 19866800

約数列:

[1, 2, 4, 8, 16, 53, 103, 106, 206, 212, 227, 412, 424, 454, 824, 848, 908, 1648, 1816, 3632, 5459, 10918, 12031, 21836, 23381, 24062, 43672, 46762, 48124, 87344, 93524, 96248, 187048, 192496, 374096, 1239193, 2478386, 4956772, 9913544, 19827088]

約数ペア:

[(1, 19827088), (2, 9913544), (4, 4956772), (8, 2478386), (16, 1239193), (53, 374096), (103, 192496), (106, 187048), (206, 96248), (212, 93524), (227, 87344), (412, 48124), (424, 46762), (454, 43672), (824, 24062), (848, 23381), (908, 21836), (1648, 12031), (1816, 10918), (3632, 5459)]