18000248

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 40137120

約数和(自身を除く): 22136872

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 977, 1316, 1954, 2303, 2632, 3908, 4606, 6839, 7816, 9212, 13678, 18424, 27356, 45919, 47873, 54712, 91838, 95746, 183676, 191492, 321433, 367352, 382984, 642866, 1285732, 2250031, 2571464, 4500062, 9000124, 18000248]

約数ペア:

[(1, 18000248), (2, 9000124), (4, 4500062), (7, 2571464), (8, 2250031), (14, 1285732), (28, 642866), (47, 382984), (49, 367352), (56, 321433), (94, 191492), (98, 183676), (188, 95746), (196, 91838), (329, 54712), (376, 47873), (392, 45919), (658, 27356), (977, 18424), (1316, 13678), (1954, 9212), (2303, 7816), (2632, 6839), (3908, 4606)]