18913202416

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{1844111}}^1$

素因数の和:1844760

約数の個数: 20

約数和(自身を含む): 36701517024

約数和(自身を除く): 17788314608

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 1844111, 3688222, 7376444, 14752888, 29505776, 1182075151, 2364150302, 4728300604, 9456601208, 18913202416]

約数ペア:

[(1, 18913202416), (2, 9456601208), (4, 4728300604), (8, 2364150302), (16, 1182075151), (641, 29505776), (1282, 14752888), (2564, 7376444), (5128, 3688222), (10256, 1844111)]