19701368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4673}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 20681992

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4673, 9346, 18692, 37384, 79441, 144863, 158882, 289726, 317764, 579452, 635528, 1158904, 2462671, 4925342, 9850684, 19701368]

約数ペア:

[(1, 19701368), (2, 9850684), (4, 4925342), (8, 2462671), (17, 1158904), (31, 635528), (34, 579452), (62, 317764), (68, 289726), (124, 158882), (136, 144863), (248, 79441), (527, 37384), (1054, 18692), (2108, 9346), (4216, 4673)]