18744414554

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 29586474720

約数和(自身を除く): 10842060166

約数列:

[1, 2, 31, 62, 109, 131, 218, 262, 683, 961, 1366, 1922, 3379, 4061, 6758, 8122, 14279, 21173, 28558, 42346, 74447, 89473, 104749, 125891, 148894, 178946, 209498, 251782, 442649, 656363, 885298, 1312726, 2307857, 2773663, 4615714, 5547326, 9752557, 13722119, 19505114, 27444238, 71543567, 85983553, 143087134, 171967106, 302329267, 604658534, 9372207277, 18744414554]

約数ペア:

[(1, 18744414554), (2, 9372207277), (31, 604658534), (62, 302329267), (109, 171967106), (131, 143087134), (218, 85983553), (262, 71543567), (683, 27444238), (961, 19505114), (1366, 13722119), (1922, 9752557), (3379, 5547326), (4061, 4615714), (6758, 2773663), (8122, 2307857), (14279, 1312726), (21173, 885298), (28558, 656363), (42346, 442649), (74447, 251782), (89473, 209498), (104749, 178946), (125891, 148894)]