18420152

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 35834400

約数和(自身を除く): 17414248

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 631, 712, 1262, 2524, 3649, 5048, 7298, 14596, 25871, 29192, 51742, 56159, 103484, 112318, 206968, 224636, 449272, 2302519, 4605038, 9210076, 18420152]

約数ペア:

[(1, 18420152), (2, 9210076), (4, 4605038), (8, 2302519), (41, 449272), (82, 224636), (89, 206968), (164, 112318), (178, 103484), (328, 56159), (356, 51742), (631, 29192), (712, 25871), (1262, 14596), (2524, 7298), (3649, 5048)]