19506208

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22950752

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1559, 1564, 3118, 3128, 6236, 6256, 12472, 12512, 24944, 26503, 35857, 49888, 53006, 71714, 106012, 143428, 212024, 286856, 424048, 573712, 609569, 848096, 1147424, 1219138, 2438276, 4876552, 9753104, 19506208]

約数ペア:

[(1, 19506208), (2, 9753104), (4, 4876552), (8, 2438276), (16, 1219138), (17, 1147424), (23, 848096), (32, 609569), (34, 573712), (46, 424048), (68, 286856), (92, 212024), (136, 143428), (184, 106012), (272, 71714), (368, 53006), (391, 49888), (544, 35857), (736, 26503), (782, 24944), (1559, 12512), (1564, 12472), (3118, 6256), (3128, 6236)]