19920692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5087}}^1$

素因数の和:5191

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 18544588

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5087, 10174, 20348, 55957, 111914, 223828, 452743, 905486, 1810972, 4980173, 9960346, 19920692]

約数ペア:

[(1, 19920692), (2, 9960346), (4, 4980173), (11, 1810972), (22, 905486), (44, 452743), (89, 223828), (178, 111914), (356, 55957), (979, 20348), (1958, 10174), (3916, 5087)]