19179376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 38732144

約数和(自身を除く): 19552768

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 457, 488, 688, 914, 976, 1828, 2623, 3656, 5246, 7312, 10492, 19651, 20984, 27877, 39302, 41968, 55754, 78604, 111508, 157208, 223016, 314416, 446032, 1198711, 2397422, 4794844, 9589688, 19179376]

約数ペア:

[(1, 19179376), (2, 9589688), (4, 4794844), (8, 2397422), (16, 1198711), (43, 446032), (61, 314416), (86, 223016), (122, 157208), (172, 111508), (244, 78604), (344, 55754), (457, 41968), (488, 39302), (688, 27877), (914, 20984), (976, 19651), (1828, 10492), (2623, 7312), (3656, 5246)]