19399095

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2557

約数の個数: 40

約数和(自身を含む): 36619440

約数和(自身を除く): 17220345

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2521, 2565, 7563, 7695, 12605, 22689, 37815, 47899, 68067, 113445, 143697, 204201, 239495, 340335, 431091, 718485, 1021005, 1293273, 2155455, 3879819, 6466365, 19399095]

約数ペア:

[(1, 19399095), (3, 6466365), (5, 3879819), (9, 2155455), (15, 1293273), (19, 1021005), (27, 718485), (45, 431091), (57, 340335), (81, 239495), (95, 204201), (135, 143697), (171, 113445), (285, 68067), (405, 47899), (513, 37815), (855, 22689), (1539, 12605), (2521, 7695), (2565, 7563)]