18803397890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26483659}}^1$

素因数の和:26483737

約数の個数: 16

約数和(自身を含む): 34322823360

約数和(自身を除く): 15519425470

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26483659, 52967318, 132418295, 264836590, 1880339789, 3760679578, 9401698945, 18803397890]

約数ペア:

[(1, 18803397890), (2, 9401698945), (5, 3760679578), (10, 1880339789), (71, 264836590), (142, 132418295), (355, 52967318), (710, 26483659)]