19797498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2299

約数の個数: 48

約数和(自身を含む): 49735296

約数和(自身を除く): 29937798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2213, 2982, 4426, 4473, 6639, 8946, 13278, 15491, 19917, 30982, 39834, 46473, 92946, 139419, 157123, 278838, 314246, 471369, 942738, 1099861, 1414107, 2199722, 2828214, 3299583, 6599166, 9898749, 19797498]

約数ペア:

[(1, 19797498), (2, 9898749), (3, 6599166), (6, 3299583), (7, 2828214), (9, 2199722), (14, 1414107), (18, 1099861), (21, 942738), (42, 471369), (63, 314246), (71, 278838), (126, 157123), (142, 139419), (213, 92946), (426, 46473), (497, 39834), (639, 30982), (994, 19917), (1278, 15491), (1491, 13278), (2213, 8946), (2982, 6639), (4426, 4473)]