18479248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 38167200

約数和(自身を除く): 19687952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 683, 712, 1366, 1424, 1691, 2732, 3382, 5464, 6764, 10928, 12977, 13528, 25954, 27056, 51908, 60787, 103816, 121574, 207632, 243148, 486296, 972592, 1154953, 2309906, 4619812, 9239624, 18479248]

約数ペア:

[(1, 18479248), (2, 9239624), (4, 4619812), (8, 2309906), (16, 1154953), (19, 972592), (38, 486296), (76, 243148), (89, 207632), (152, 121574), (178, 103816), (304, 60787), (356, 51908), (683, 27056), (712, 25954), (1366, 13528), (1424, 12977), (1691, 10928), (2732, 6764), (3382, 5464)]