18775988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{60961}}^1$

素因数の和:60983

約数の個数: 24

約数和(自身を含む): 40966464

約数和(自身を除く): 22190476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 60961, 121922, 243844, 426727, 670571, 853454, 1341142, 1706908, 2682284, 4693997, 9387994, 18775988]

約数ペア:

[(1, 18775988), (2, 9387994), (4, 4693997), (7, 2682284), (11, 1706908), (14, 1341142), (22, 853454), (28, 670571), (44, 426727), (77, 243844), (154, 121922), (308, 60961)]