18386942

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 32707584

約数和(自身を除く): 14320642

約数列:

[1, 2, 7, 14, 41, 82, 103, 206, 287, 311, 574, 622, 721, 1442, 2177, 4223, 4354, 8446, 12751, 25502, 29561, 32033, 59122, 64066, 89257, 178514, 224231, 448462, 1313353, 2626706, 9193471, 18386942]

約数ペア:

[(1, 18386942), (2, 9193471), (7, 2626706), (14, 1313353), (41, 448462), (82, 224231), (103, 178514), (206, 89257), (287, 64066), (311, 59122), (574, 32033), (622, 29561), (721, 25502), (1442, 12751), (2177, 8446), (4223, 4354)]