2018004872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 4121712000

約数和(自身を除く): 2103707128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 281, 347, 398, 562, 694, 796, 1124, 1388, 1592, 2248, 2587, 2776, 3653, 4511, 5174, 7306, 9022, 10348, 14612, 18044, 20696, 29224, 36088, 55919, 69053, 97507, 111838, 138106, 195014, 223676, 276212, 390028, 447352, 552424, 726947, 780056, 897689, 1267591, 1453894, 1795378, 2535182, 2907788, 3590756, 5070364, 5815576, 7181512, 10140728, 19403893, 38807786, 77615572, 155231144, 252250609, 504501218, 1009002436, 2018004872]

約数ペア:

[(1, 2018004872), (2, 1009002436), (4, 504501218), (8, 252250609), (13, 155231144), (26, 77615572), (52, 38807786), (104, 19403893), (199, 10140728), (281, 7181512), (347, 5815576), (398, 5070364), (562, 3590756), (694, 2907788), (796, 2535182), (1124, 1795378), (1388, 1453894), (1592, 1267591), (2248, 897689), (2587, 780056), (2776, 726947), (3653, 552424), (4511, 447352), (5174, 390028), (7306, 276212), (9022, 223676), (10348, 195014), (14612, 138106), (18044, 111838), (20696, 97507), (29224, 69053), (36088, 55919)]