19000768

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 56

約数和(自身を含む): 39810944

約数和(自身を除く): 20810176

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 157, 244, 248, 314, 488, 496, 628, 976, 992, 1256, 1891, 1952, 1984, 2512, 3782, 3904, 4867, 5024, 7564, 9577, 9734, 10048, 15128, 19154, 19468, 30256, 38308, 38936, 60512, 76616, 77872, 121024, 153232, 155744, 296887, 306464, 311488, 593774, 612928, 1187548, 2375096, 4750192, 9500384, 19000768]

約数ペア:

[(1, 19000768), (2, 9500384), (4, 4750192), (8, 2375096), (16, 1187548), (31, 612928), (32, 593774), (61, 311488), (62, 306464), (64, 296887), (122, 155744), (124, 153232), (157, 121024), (244, 77872), (248, 76616), (314, 60512), (488, 38936), (496, 38308), (628, 30256), (976, 19468), (992, 19154), (1256, 15128), (1891, 10048), (1952, 9734), (1984, 9577), (2512, 7564), (3782, 5024), (3904, 4867)]