18658228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{641}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 34513920

約数和(自身を除く): 15855692

約数列:

[1, 2, 4, 19, 38, 76, 383, 641, 766, 1282, 1532, 2564, 7277, 12179, 14554, 24358, 29108, 48716, 245503, 491006, 982012, 4664557, 9329114, 18658228]

約数ペア:

[(1, 18658228), (2, 9329114), (4, 4664557), (19, 982012), (38, 491006), (76, 245503), (383, 48716), (641, 29108), (766, 24358), (1282, 14554), (1532, 12179), (2564, 7277)]