18886554

素因数分解:

$2^1\times 3^3\times {\mathrm{367}}^1\times {\mathrm{953}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 42128640

約数和(自身を除く): 23242086

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 367, 734, 953, 1101, 1906, 2202, 2859, 3303, 5718, 6606, 8577, 9909, 17154, 19818, 25731, 51462, 349751, 699502, 1049253, 2098506, 3147759, 6295518, 9443277, 18886554]

約数ペア:

[(1, 18886554), (2, 9443277), (3, 6295518), (6, 3147759), (9, 2098506), (18, 1049253), (27, 699502), (54, 349751), (367, 51462), (734, 25731), (953, 19818), (1101, 17154), (1906, 9909), (2202, 8577), (2859, 6606), (3303, 5718)]