19173154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 39497472

約数和(自身を除く): 20324318

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 122, 143, 154, 157, 182, 286, 314, 427, 671, 793, 854, 1001, 1099, 1342, 1586, 1727, 2002, 2041, 2198, 3454, 4082, 4697, 5551, 8723, 9394, 9577, 11102, 12089, 14287, 17446, 19154, 22451, 24178, 28574, 44902, 61061, 67039, 105347, 122122, 124501, 134078, 157157, 210694, 249002, 314314, 737429, 871507, 1369511, 1474858, 1743014, 2739022, 9586577, 19173154]

約数ペア:

[(1, 19173154), (2, 9586577), (7, 2739022), (11, 1743014), (13, 1474858), (14, 1369511), (22, 871507), (26, 737429), (61, 314314), (77, 249002), (91, 210694), (122, 157157), (143, 134078), (154, 124501), (157, 122122), (182, 105347), (286, 67039), (314, 61061), (427, 44902), (671, 28574), (793, 24178), (854, 22451), (1001, 19154), (1099, 17446), (1342, 14287), (1586, 12089), (1727, 11102), (2002, 9577), (2041, 9394), (2198, 8723), (3454, 5551), (4082, 4697)]