17889964

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 31999968

約数和(自身を除く): 14110004

約数列:

[1, 2, 4, 73, 146, 197, 292, 311, 394, 622, 788, 1244, 14381, 22703, 28762, 45406, 57524, 61267, 90812, 122534, 245068, 4472491, 8944982, 17889964]

約数ペア:

[(1, 17889964), (2, 8944982), (4, 4472491), (73, 245068), (146, 122534), (197, 90812), (292, 61267), (311, 57524), (394, 45406), (622, 28762), (788, 22703), (1244, 14381)]