18981672

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 49093920

約数和(自身を除く): 30112248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 823, 961, 1646, 1922, 2469, 2883, 3292, 3844, 4938, 5766, 6584, 7688, 9876, 11532, 19752, 23064, 25513, 51026, 76539, 102052, 153078, 204104, 306156, 612312, 790903, 1581806, 2372709, 3163612, 4745418, 6327224, 9490836, 18981672]

約数ペア:

[(1, 18981672), (2, 9490836), (3, 6327224), (4, 4745418), (6, 3163612), (8, 2372709), (12, 1581806), (24, 790903), (31, 612312), (62, 306156), (93, 204104), (124, 153078), (186, 102052), (248, 76539), (372, 51026), (744, 25513), (823, 23064), (961, 19752), (1646, 11532), (1922, 9876), (2469, 7688), (2883, 6584), (3292, 5766), (3844, 4938)]