18541568

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:992

約数の個数: 44

約数和(自身を含む): 39056760

約数和(自身を除く): 20515192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 953, 1024, 1216, 1906, 2432, 3812, 4864, 7624, 9728, 15248, 18107, 19456, 30496, 36214, 60992, 72428, 121984, 144856, 243968, 289712, 487936, 579424, 975872, 1158848, 2317696, 4635392, 9270784, 18541568]

約数ペア:

[(1, 18541568), (2, 9270784), (4, 4635392), (8, 2317696), (16, 1158848), (19, 975872), (32, 579424), (38, 487936), (64, 289712), (76, 243968), (128, 144856), (152, 121984), (256, 72428), (304, 60992), (512, 36214), (608, 30496), (953, 19456), (1024, 18107), (1216, 15248), (1906, 9728), (2432, 7624), (3812, 4864)]