19004865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 34448064

約数和(自身を除く): 15443199

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 165, 185, 283, 363, 407, 555, 605, 849, 1221, 1415, 1815, 2035, 3113, 4245, 4477, 6105, 9339, 10471, 13431, 15565, 22385, 31413, 34243, 46695, 52355, 67155, 102729, 115181, 157065, 171215, 345543, 513645, 575905, 1266991, 1727715, 3800973, 6334955, 19004865]

約数ペア:

[(1, 19004865), (3, 6334955), (5, 3800973), (11, 1727715), (15, 1266991), (33, 575905), (37, 513645), (55, 345543), (111, 171215), (121, 157065), (165, 115181), (185, 102729), (283, 67155), (363, 52355), (407, 46695), (555, 34243), (605, 31413), (849, 22385), (1221, 15565), (1415, 13431), (1815, 10471), (2035, 9339), (3113, 6105), (4245, 4477)]