18978498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13693}}^1$

素因数の和:13719

約数の個数: 48

約数和(自身を含む): 51270336

約数和(自身を除く): 32291838

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 13693, 27386, 41079, 82158, 95851, 123237, 150623, 191702, 246474, 287553, 301246, 451869, 575106, 862659, 903738, 1054361, 1355607, 1725318, 2108722, 2711214, 3163083, 6326166, 9489249, 18978498]

約数ペア:

[(1, 18978498), (2, 9489249), (3, 6326166), (6, 3163083), (7, 2711214), (9, 2108722), (11, 1725318), (14, 1355607), (18, 1054361), (21, 903738), (22, 862659), (33, 575106), (42, 451869), (63, 301246), (66, 287553), (77, 246474), (99, 191702), (126, 150623), (154, 123237), (198, 95851), (231, 82158), (462, 41079), (693, 27386), (1386, 13693)]