18441590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 36462960

約数和(自身を除く): 18021370

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 101, 155, 190, 202, 310, 505, 589, 961, 1010, 1178, 1919, 1922, 2945, 3131, 3838, 4805, 5890, 6262, 9595, 9610, 15655, 18259, 19190, 31310, 36518, 59489, 91295, 97061, 118978, 182590, 194122, 297445, 485305, 594890, 970610, 1844159, 3688318, 9220795, 18441590]

約数ペア:

[(1, 18441590), (2, 9220795), (5, 3688318), (10, 1844159), (19, 970610), (31, 594890), (38, 485305), (62, 297445), (95, 194122), (101, 182590), (155, 118978), (190, 97061), (202, 91295), (310, 59489), (505, 36518), (589, 31310), (961, 19190), (1010, 18259), (1178, 15655), (1919, 9610), (1922, 9595), (2945, 6262), (3131, 5890), (3838, 4805)]