19941632

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1354

約数の個数: 36

約数和(自身を含む): 40489596

約数和(自身を除く): 20547964

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1277, 1952, 2554, 3904, 5108, 7808, 10216, 15616, 20432, 40864, 77897, 81728, 155794, 163456, 311588, 326912, 623176, 1246352, 2492704, 4985408, 9970816, 19941632]

約数ペア:

[(1, 19941632), (2, 9970816), (4, 4985408), (8, 2492704), (16, 1246352), (32, 623176), (61, 326912), (64, 311588), (122, 163456), (128, 155794), (244, 81728), (256, 77897), (488, 40864), (976, 20432), (1277, 15616), (1952, 10216), (2554, 7808), (3904, 5108)]