1989376

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 4190200

約数和(自身を除く): 2200824

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 409, 608, 818, 1216, 1636, 2432, 3272, 4864, 6544, 7771, 13088, 15542, 26176, 31084, 52352, 62168, 104704, 124336, 248672, 497344, 994688, 1989376]

約数ペア:

[(1, 1989376), (2, 994688), (4, 497344), (8, 248672), (16, 124336), (19, 104704), (32, 62168), (38, 52352), (64, 31084), (76, 26176), (128, 15542), (152, 13088), (256, 7771), (304, 6544), (409, 4864), (608, 3272), (818, 2432), (1216, 1636)]