18811510208

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{243521}}^1$

素因数の和:243621

約数の個数: 56

約数和(自身を含む): 40081773024

約数和(自身を除く): 21270262816

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 284, 544, 568, 1088, 1136, 1207, 2272, 2414, 4544, 4828, 9656, 19312, 38624, 77248, 243521, 487042, 974084, 1948168, 3896336, 4139857, 7792672, 8279714, 15585344, 16559428, 17289991, 33118856, 34579982, 66237712, 69159964, 132475424, 138319928, 264950848, 276639856, 293929847, 553279712, 587859694, 1106559424, 1175719388, 2351438776, 4702877552, 9405755104, 18811510208]

約数ペア:

[(1, 18811510208), (2, 9405755104), (4, 4702877552), (8, 2351438776), (16, 1175719388), (17, 1106559424), (32, 587859694), (34, 553279712), (64, 293929847), (68, 276639856), (71, 264950848), (136, 138319928), (142, 132475424), (272, 69159964), (284, 66237712), (544, 34579982), (568, 33118856), (1088, 17289991), (1136, 16559428), (1207, 15585344), (2272, 8279714), (2414, 7792672), (4544, 4139857), (4828, 3896336), (9656, 1948168), (19312, 974084), (38624, 487042), (77248, 243521)]