18988506472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{11131}}^1$

素因数の和:11546

約数の個数: 64

約数和(自身を含む): 39273696000

約数和(自身を除く): 20285189528

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 349, 376, 611, 698, 1222, 1396, 2444, 2792, 4537, 4888, 9074, 11131, 16403, 18148, 22262, 32806, 36296, 44524, 65612, 89048, 131224, 144703, 213239, 289406, 426478, 523157, 578812, 852956, 1046314, 1157624, 1705912, 2092628, 3884719, 4185256, 6801041, 7769438, 13602082, 15538876, 27204164, 31077752, 50501347, 54408328, 101002694, 182581793, 202005388, 365163586, 404010776, 730327172, 1460654344, 2373563309, 4747126618, 9494253236, 18988506472]

約数ペア:

[(1, 18988506472), (2, 9494253236), (4, 4747126618), (8, 2373563309), (13, 1460654344), (26, 730327172), (47, 404010776), (52, 365163586), (94, 202005388), (104, 182581793), (188, 101002694), (349, 54408328), (376, 50501347), (611, 31077752), (698, 27204164), (1222, 15538876), (1396, 13602082), (2444, 7769438), (2792, 6801041), (4537, 4185256), (4888, 3884719), (9074, 2092628), (11131, 1705912), (16403, 1157624), (18148, 1046314), (22262, 852956), (32806, 578812), (36296, 523157), (44524, 426478), (65612, 289406), (89048, 213239), (131224, 144703)]