18910208

素因数分解:

$2^{10}\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 44

約数和(自身を含む): 38565480

約数和(自身を除く): 19655272

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 313, 472, 512, 626, 944, 1024, 1252, 1888, 2504, 3776, 5008, 7552, 10016, 15104, 18467, 20032, 30208, 36934, 40064, 60416, 73868, 80128, 147736, 160256, 295472, 320512, 590944, 1181888, 2363776, 4727552, 9455104, 18910208]

約数ペア:

[(1, 18910208), (2, 9455104), (4, 4727552), (8, 2363776), (16, 1181888), (32, 590944), (59, 320512), (64, 295472), (118, 160256), (128, 147736), (236, 80128), (256, 73868), (313, 60416), (472, 40064), (512, 36934), (626, 30208), (944, 20032), (1024, 18467), (1252, 15104), (1888, 10016), (2504, 7552), (3776, 5008)]