16470340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 36892800

約数和(自身を除く): 20422460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 487, 890, 974, 1691, 1780, 1948, 2435, 3382, 4870, 6764, 8455, 9253, 9740, 16910, 18506, 33820, 37012, 43343, 46265, 86686, 92530, 173372, 185060, 216715, 433430, 823517, 866860, 1647034, 3294068, 4117585, 8235170, 16470340]

約数ペア:

[(1, 16470340), (2, 8235170), (4, 4117585), (5, 3294068), (10, 1647034), (19, 866860), (20, 823517), (38, 433430), (76, 216715), (89, 185060), (95, 173372), (178, 92530), (190, 86686), (356, 46265), (380, 43343), (445, 37012), (487, 33820), (890, 18506), (974, 16910), (1691, 9740), (1780, 9253), (1948, 8455), (2435, 6764), (3382, 4870)]