18449739

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 33745920

約数和(自身を除く): 15296181

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 79, 99, 231, 237, 337, 553, 693, 711, 869, 1011, 1659, 2359, 2607, 3033, 3707, 4977, 6083, 7077, 7821, 11121, 18249, 21231, 25949, 26623, 33363, 54747, 77847, 79869, 186361, 233541, 239607, 292853, 559083, 878559, 1677249, 2049971, 2635677, 6149913, 18449739]

約数ペア:

[(1, 18449739), (3, 6149913), (7, 2635677), (9, 2049971), (11, 1677249), (21, 878559), (33, 559083), (63, 292853), (77, 239607), (79, 233541), (99, 186361), (231, 79869), (237, 77847), (337, 54747), (553, 33363), (693, 26623), (711, 25949), (869, 21231), (1011, 18249), (1659, 11121), (2359, 7821), (2607, 7077), (3033, 6083), (3707, 4977)]