20189996144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3906733}}^1$

素因数の和:3906777

約数の個数: 40

約数和(自身を含む): 43599151440

約数和(自身を除く): 23409155296

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 3906733, 7813466, 15626932, 31253864, 62507728, 66414461, 74227927, 132828922, 148455854, 265657844, 296911708, 531315688, 593823416, 1062631376, 1187646832, 1261874759, 2523749518, 5047499036, 10094998072, 20189996144]

約数ペア:

[(1, 20189996144), (2, 10094998072), (4, 5047499036), (8, 2523749518), (16, 1261874759), (17, 1187646832), (19, 1062631376), (34, 593823416), (38, 531315688), (68, 296911708), (76, 265657844), (136, 148455854), (152, 132828922), (272, 74227927), (304, 66414461), (323, 62507728), (646, 31253864), (1292, 15626932), (2584, 7813466), (5168, 3906733)]