18061856

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 38122560

約数和(自身を除く): 20060704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 487, 488, 608, 974, 976, 1159, 1948, 1952, 2318, 3896, 4636, 7792, 9253, 9272, 15584, 18506, 18544, 29707, 37012, 37088, 59414, 74024, 118828, 148048, 237656, 296096, 475312, 564433, 950624, 1128866, 2257732, 4515464, 9030928, 18061856]

約数ペア:

[(1, 18061856), (2, 9030928), (4, 4515464), (8, 2257732), (16, 1128866), (19, 950624), (32, 564433), (38, 475312), (61, 296096), (76, 237656), (122, 148048), (152, 118828), (244, 74024), (304, 59414), (487, 37088), (488, 37012), (608, 29707), (974, 18544), (976, 18506), (1159, 15584), (1948, 9272), (1952, 9253), (2318, 7792), (3896, 4636)]