19174912

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2238

約数の個数: 40

約数和(自身を含む): 40584456

約数和(自身を除く): 21409544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2203, 4352, 4406, 8704, 8812, 17624, 35248, 37451, 70496, 74902, 140992, 149804, 281984, 299608, 563968, 599216, 1127936, 1198432, 2396864, 4793728, 9587456, 19174912]

約数ペア:

[(1, 19174912), (2, 9587456), (4, 4793728), (8, 2396864), (16, 1198432), (17, 1127936), (32, 599216), (34, 563968), (64, 299608), (68, 281984), (128, 149804), (136, 140992), (256, 74902), (272, 70496), (512, 37451), (544, 35248), (1088, 17624), (2176, 8812), (2203, 8704), (4352, 4406)]