18950725612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{477637}}^1$

素因数の和:477770

約数の個数: 48

約数和(自身を含む): 41191501120

約数和(自身を除く): 22240775508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 182, 218, 364, 436, 763, 1417, 1526, 2834, 3052, 5668, 9919, 19838, 39676, 477637, 955274, 1910548, 3343459, 6209281, 6686918, 12418562, 13373836, 24837124, 43464967, 52062433, 86929934, 104124866, 173859868, 208249732, 364437031, 676811629, 728874062, 1353623258, 1457748124, 2707246516, 4737681403, 9475362806, 18950725612]

約数ペア:

[(1, 18950725612), (2, 9475362806), (4, 4737681403), (7, 2707246516), (13, 1457748124), (14, 1353623258), (26, 728874062), (28, 676811629), (52, 364437031), (91, 208249732), (109, 173859868), (182, 104124866), (218, 86929934), (364, 52062433), (436, 43464967), (763, 24837124), (1417, 13373836), (1526, 12418562), (2834, 6686918), (3052, 6209281), (5668, 3343459), (9919, 1910548), (19838, 955274), (39676, 477637)]