2018321676

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{12379}}^1$

素因数の和:13043

約数の個数: 72

約数和(自身を含む): 5840190720

約数和(自身を除く): 3821869044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 647, 1294, 1941, 2588, 3882, 4529, 5823, 7764, 9058, 11646, 12379, 13587, 18116, 23292, 24758, 27174, 37137, 40761, 49516, 54348, 74274, 81522, 86653, 111411, 148548, 163044, 173306, 222822, 259959, 346612, 445644, 519918, 779877, 1039836, 1559754, 3119508, 8009213, 16018426, 24027639, 32036852, 48055278, 56064491, 72082917, 96110556, 112128982, 144165834, 168193473, 224257964, 288331668, 336386946, 504580419, 672773892, 1009160838, 2018321676]

約数ペア:

[(1, 2018321676), (2, 1009160838), (3, 672773892), (4, 504580419), (6, 336386946), (7, 288331668), (9, 224257964), (12, 168193473), (14, 144165834), (18, 112128982), (21, 96110556), (28, 72082917), (36, 56064491), (42, 48055278), (63, 32036852), (84, 24027639), (126, 16018426), (252, 8009213), (647, 3119508), (1294, 1559754), (1941, 1039836), (2588, 779877), (3882, 519918), (4529, 445644), (5823, 346612), (7764, 259959), (9058, 222822), (11646, 173306), (12379, 163044), (13587, 148548), (18116, 111411), (23292, 86653), (24758, 81522), (27174, 74274), (37137, 54348), (40761, 49516)]