18448488

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 50209380

約数和(自身を除く): 31760892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 997, 1028, 1542, 1994, 2056, 2313, 2991, 3084, 3988, 4626, 5982, 6168, 7976, 8973, 9252, 11964, 17946, 18504, 23928, 35892, 71784, 256229, 512458, 768687, 1024916, 1537374, 2049832, 2306061, 3074748, 4612122, 6149496, 9224244, 18448488]

約数ペア:

[(1, 18448488), (2, 9224244), (3, 6149496), (4, 4612122), (6, 3074748), (8, 2306061), (9, 2049832), (12, 1537374), (18, 1024916), (24, 768687), (36, 512458), (72, 256229), (257, 71784), (514, 35892), (771, 23928), (997, 18504), (1028, 17946), (1542, 11964), (1994, 9252), (2056, 8973), (2313, 7976), (2991, 6168), (3084, 5982), (3988, 4626)]