19920248831

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 25785630720

約数和(自身を除く): 5865381889

約数列:

[1, 7, 17, 19, 119, 127, 133, 173, 323, 401, 889, 1211, 2159, 2261, 2413, 2807, 2941, 3287, 6817, 7619, 15113, 16891, 20587, 21971, 23009, 41021, 47719, 50927, 53333, 55879, 69373, 129523, 153797, 287147, 356489, 373507, 391153, 417449, 485611, 865759, 906661, 967613, 1179341, 1318087, 2614549, 2922143, 6060313, 6773291, 7096633, 8255387, 8810371, 9226609, 16449421, 22407479, 49676431, 61672597, 115145947, 149776307, 156852353, 167397049, 1048434149, 1171779343, 2845749833, 19920248831]

約数ペア:

[(1, 19920248831), (7, 2845749833), (17, 1171779343), (19, 1048434149), (119, 167397049), (127, 156852353), (133, 149776307), (173, 115145947), (323, 61672597), (401, 49676431), (889, 22407479), (1211, 16449421), (2159, 9226609), (2261, 8810371), (2413, 8255387), (2807, 7096633), (2941, 6773291), (3287, 6060313), (6817, 2922143), (7619, 2614549), (15113, 1318087), (16891, 1179341), (20587, 967613), (21971, 906661), (23009, 865759), (41021, 485611), (47719, 417449), (50927, 391153), (53333, 373507), (55879, 356489), (69373, 287147), (129523, 153797)]