19890444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2213}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 53561088

約数和(自身を除く): 33670644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2213, 2247, 2996, 4426, 4494, 6639, 8852, 8988, 13278, 15491, 26556, 30982, 46473, 61964, 92946, 185892, 236791, 473582, 710373, 947164, 1420746, 1657537, 2841492, 3315074, 4972611, 6630148, 9945222, 19890444]

約数ペア:

[(1, 19890444), (2, 9945222), (3, 6630148), (4, 4972611), (6, 3315074), (7, 2841492), (12, 1657537), (14, 1420746), (21, 947164), (28, 710373), (42, 473582), (84, 236791), (107, 185892), (214, 92946), (321, 61964), (428, 46473), (642, 30982), (749, 26556), (1284, 15491), (1498, 13278), (2213, 8988), (2247, 8852), (2996, 6639), (4426, 4494)]