18678366

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2797}}^1$

素因数の和:2865

約数の個数: 48

約数和(自身を含む): 47140704

約数和(自身を除く): 28462338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 2797, 3339, 5594, 6678, 8391, 16782, 19579, 25173, 39158, 50346, 58737, 117474, 148241, 176211, 296482, 352422, 444723, 889446, 1037687, 1334169, 2075374, 2668338, 3113061, 6226122, 9339183, 18678366]

約数ペア:

[(1, 18678366), (2, 9339183), (3, 6226122), (6, 3113061), (7, 2668338), (9, 2075374), (14, 1334169), (18, 1037687), (21, 889446), (42, 444723), (53, 352422), (63, 296482), (106, 176211), (126, 148241), (159, 117474), (318, 58737), (371, 50346), (477, 39158), (742, 25173), (954, 19579), (1113, 16782), (2226, 8391), (2797, 6678), (3339, 5594)]