16684964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^2$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 31777200

約数和(自身を除く): 15092236

約数列:

[1, 2, 4, 19, 38, 59, 61, 76, 118, 122, 236, 244, 1121, 1159, 2242, 2318, 3599, 3721, 4484, 4636, 7198, 7442, 14396, 14884, 68381, 70699, 136762, 141398, 219539, 273524, 282796, 439078, 878156, 4171241, 8342482, 16684964]

約数ペア:

[(1, 16684964), (2, 8342482), (4, 4171241), (19, 878156), (38, 439078), (59, 282796), (61, 273524), (76, 219539), (118, 141398), (122, 136762), (236, 70699), (244, 68381), (1121, 14884), (1159, 14396), (2242, 7442), (2318, 7198), (3599, 4636), (3721, 4484)]