19449904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3109}}^1$

素因数の和:3157

約数の個数: 40

約数和(自身を含む): 41649120

約数和(自身を除く): 22199216

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3109, 3128, 6218, 6256, 12436, 24872, 49744, 52853, 71507, 105706, 143014, 211412, 286028, 422824, 572056, 845648, 1144112, 1215619, 2431238, 4862476, 9724952, 19449904]

約数ペア:

[(1, 19449904), (2, 9724952), (4, 4862476), (8, 2431238), (16, 1215619), (17, 1144112), (23, 845648), (34, 572056), (46, 422824), (68, 286028), (92, 211412), (136, 143014), (184, 105706), (272, 71507), (368, 52853), (391, 49744), (782, 24872), (1564, 12436), (3109, 6256), (3128, 6218)]