19538090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1051}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 41583456

約数和(自身を除く): 22045366

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1051, 1430, 1690, 1859, 2102, 3718, 5255, 9295, 10510, 11561, 13663, 18590, 23122, 27326, 57805, 68315, 115610, 136630, 150293, 177619, 300586, 355238, 751465, 888095, 1502930, 1776190, 1953809, 3907618, 9769045, 19538090]

約数ペア:

[(1, 19538090), (2, 9769045), (5, 3907618), (10, 1953809), (11, 1776190), (13, 1502930), (22, 888095), (26, 751465), (55, 355238), (65, 300586), (110, 177619), (130, 150293), (143, 136630), (169, 115610), (286, 68315), (338, 57805), (715, 27326), (845, 23122), (1051, 18590), (1430, 13663), (1690, 11561), (1859, 10510), (2102, 9295), (3718, 5255)]