19764230

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 36741600

約数和(自身を除く): 16977370

約数列:

[1, 2, 5, 10, 53, 89, 106, 178, 265, 419, 445, 530, 838, 890, 2095, 4190, 4717, 9434, 22207, 23585, 37291, 44414, 47170, 74582, 111035, 186455, 222070, 372910, 1976423, 3952846, 9882115, 19764230]

約数ペア:

[(1, 19764230), (2, 9882115), (5, 3952846), (10, 1976423), (53, 372910), (89, 222070), (106, 186455), (178, 111035), (265, 74582), (419, 47170), (445, 44414), (530, 37291), (838, 23585), (890, 22207), (2095, 9434), (4190, 4717)]