18719619328

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2358823}}^1$

素因数の和:2358870

約数の個数: 36

約数和(自身を含む): 38571490048

約数和(自身を除く): 19851870720

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 2358823, 4717646, 9435292, 18870584, 37741168, 73123513, 75482336, 146247026, 150964672, 292494052, 301929344, 584988104, 603858688, 1169976208, 2339952416, 4679904832, 9359809664, 18719619328]

約数ペア:

[(1, 18719619328), (2, 9359809664), (4, 4679904832), (8, 2339952416), (16, 1169976208), (31, 603858688), (32, 584988104), (62, 301929344), (64, 292494052), (124, 150964672), (128, 146247026), (248, 75482336), (256, 73123513), (496, 37741168), (992, 18870584), (1984, 9435292), (3968, 4717646), (7936, 2358823)]