19662401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 23358720

約数和(自身を除く): 3696319

約数列:

[1, 11, 23, 31, 109, 253, 341, 529, 713, 1199, 2507, 3379, 5819, 7843, 16399, 27577, 37169, 57661, 77717, 180389, 634271, 854887, 1787491, 19662401]

約数ペア:

[(1, 19662401), (11, 1787491), (23, 854887), (31, 634271), (109, 180389), (253, 77717), (341, 57661), (529, 37169), (713, 27577), (1199, 16399), (2507, 7843), (3379, 5819)]