18874647

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 30850560

約数和(自身を除く): 11975913

約数列:

[1, 3, 9, 11, 27, 33, 99, 103, 297, 309, 617, 927, 1133, 1851, 2781, 3399, 5553, 6787, 10197, 16659, 20361, 30591, 61083, 63551, 183249, 190653, 571959, 699061, 1715877, 2097183, 6291549, 18874647]

約数ペア:

[(1, 18874647), (3, 6291549), (9, 2097183), (11, 1715877), (27, 699061), (33, 571959), (99, 190653), (103, 183249), (297, 63551), (309, 61083), (617, 30591), (927, 20361), (1133, 16659), (1851, 10197), (2781, 6787), (3399, 5553)]