19010810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1607}}^1$

素因数の和:1647

約数の個数: 48

約数和(自身を含む): 42374016

約数和(自身を除く): 23363206

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1607, 1690, 2366, 3214, 5915, 8035, 11249, 11830, 16070, 20891, 22498, 41782, 56245, 104455, 112490, 146237, 208910, 271583, 292474, 543166, 731185, 1357915, 1462370, 1901081, 2715830, 3802162, 9505405, 19010810]

約数ペア:

[(1, 19010810), (2, 9505405), (5, 3802162), (7, 2715830), (10, 1901081), (13, 1462370), (14, 1357915), (26, 731185), (35, 543166), (65, 292474), (70, 271583), (91, 208910), (130, 146237), (169, 112490), (182, 104455), (338, 56245), (455, 41782), (845, 22498), (910, 20891), (1183, 16070), (1607, 11830), (1690, 11249), (2366, 8035), (3214, 5915)]