16691918

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 24

約数和(自身を含む): 26929080

約数和(自身を除く): 10237162

約数列:

[1, 2, 19, 38, 61, 122, 361, 379, 722, 758, 1159, 2318, 7201, 14402, 22021, 23119, 44042, 46238, 136819, 273638, 439261, 878522, 8345959, 16691918]

約数ペア:

[(1, 16691918), (2, 8345959), (19, 878522), (38, 439261), (61, 273638), (122, 136819), (361, 46238), (379, 44042), (722, 23119), (758, 22021), (1159, 14402), (2318, 7201)]