1981396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 36

約数和(自身を含む): 3902080

約数和(自身を除く): 1920684

約数列:

[1, 2, 4, 19, 29, 31, 38, 58, 62, 76, 116, 124, 551, 589, 841, 899, 1102, 1178, 1682, 1798, 2204, 2356, 3364, 3596, 15979, 17081, 26071, 31958, 34162, 52142, 63916, 68324, 104284, 495349, 990698, 1981396]

約数ペア:

[(1, 1981396), (2, 990698), (4, 495349), (19, 104284), (29, 68324), (31, 63916), (38, 52142), (58, 34162), (62, 31958), (76, 26071), (116, 17081), (124, 15979), (551, 3596), (589, 3364), (841, 2356), (899, 2204), (1102, 1798), (1178, 1682)]