18830812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4703}}^1$

素因数の和:4738

約数の個数: 48

約数和(自身を含む): 44255232

約数和(自身を除く): 25424420

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4703, 9406, 18812, 32921, 51733, 61139, 65842, 103466, 122278, 131684, 206932, 244556, 362131, 427973, 672529, 724262, 855946, 1345058, 1448524, 1711892, 2690116, 4707703, 9415406, 18830812]

約数ペア:

[(1, 18830812), (2, 9415406), (4, 4707703), (7, 2690116), (11, 1711892), (13, 1448524), (14, 1345058), (22, 855946), (26, 724262), (28, 672529), (44, 427973), (52, 362131), (77, 244556), (91, 206932), (143, 131684), (154, 122278), (182, 103466), (286, 65842), (308, 61139), (364, 51733), (572, 32921), (1001, 18812), (2002, 9406), (4004, 4703)]