19935232

素因数分解:

$2^{12}\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 52

約数和(自身を含む): 41413696

約数和(自身を除く): 21478464

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 157, 248, 256, 314, 496, 512, 628, 992, 1024, 1256, 1984, 2048, 2512, 3968, 4096, 4867, 5024, 7936, 9734, 10048, 15872, 19468, 20096, 31744, 38936, 40192, 63488, 77872, 80384, 126976, 155744, 160768, 311488, 321536, 622976, 643072, 1245952, 2491904, 4983808, 9967616, 19935232]

約数ペア:

[(1, 19935232), (2, 9967616), (4, 4983808), (8, 2491904), (16, 1245952), (31, 643072), (32, 622976), (62, 321536), (64, 311488), (124, 160768), (128, 155744), (157, 126976), (248, 80384), (256, 77872), (314, 63488), (496, 40192), (512, 38936), (628, 31744), (992, 20096), (1024, 19468), (1256, 15872), (1984, 10048), (2048, 9734), (2512, 7936), (3968, 5024), (4096, 4867)]