18897452

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2039}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 37927680

約数和(自身を除く): 19030228

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2039, 2317, 4078, 4634, 8156, 9268, 14273, 28546, 57092, 674909, 1349818, 2699636, 4724363, 9448726, 18897452]

約数ペア:

[(1, 18897452), (2, 9448726), (4, 4724363), (7, 2699636), (14, 1349818), (28, 674909), (331, 57092), (662, 28546), (1324, 14273), (2039, 9268), (2317, 8156), (4078, 4634)]