18944968

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 23736632

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1559, 1736, 3038, 3118, 6076, 6236, 10913, 12152, 12472, 21826, 43652, 48329, 76391, 87304, 96658, 152782, 193316, 305564, 338303, 386632, 611128, 676606, 1353212, 2368121, 2706424, 4736242, 9472484, 18944968]

約数ペア:

[(1, 18944968), (2, 9472484), (4, 4736242), (7, 2706424), (8, 2368121), (14, 1353212), (28, 676606), (31, 611128), (49, 386632), (56, 338303), (62, 305564), (98, 193316), (124, 152782), (196, 96658), (217, 87304), (248, 76391), (392, 48329), (434, 43652), (868, 21826), (1519, 12472), (1559, 12152), (1736, 10913), (3038, 6236), (3118, 6076)]