19997664

素因数分解:

$2^5\times 3^1\times {\mathrm{208309}}^1$

素因数の和:208322

約数の個数: 24

約数和(自身を含む): 52494120

約数和(自身を除く): 32496456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 208309, 416618, 624927, 833236, 1249854, 1666472, 2499708, 3332944, 4999416, 6665888, 9998832, 19997664]

約数ペア:

[(1, 19997664), (2, 9998832), (3, 6665888), (4, 4999416), (6, 3332944), (8, 2499708), (12, 1666472), (16, 1249854), (24, 833236), (32, 624927), (48, 416618), (96, 208309)]