19850166

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 49424544

約数和(自身を除く): 29574378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 257, 514, 613, 771, 1226, 1542, 1799, 1839, 2313, 3598, 3678, 4291, 4626, 5397, 5517, 8582, 10794, 11034, 12873, 16191, 25746, 32382, 38619, 77238, 157541, 315082, 472623, 945246, 1102787, 1417869, 2205574, 2835738, 3308361, 6616722, 9925083, 19850166]

約数ペア:

[(1, 19850166), (2, 9925083), (3, 6616722), (6, 3308361), (7, 2835738), (9, 2205574), (14, 1417869), (18, 1102787), (21, 945246), (42, 472623), (63, 315082), (126, 157541), (257, 77238), (514, 38619), (613, 32382), (771, 25746), (1226, 16191), (1542, 12873), (1799, 11034), (1839, 10794), (2313, 8582), (3598, 5517), (3678, 5397), (4291, 4626)]