2018779904

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 4111383360

約数和(自身を除く): 2092603456

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 173, 256, 316, 346, 577, 632, 692, 1154, 1264, 1384, 2308, 2528, 2768, 4616, 5056, 5536, 9232, 10112, 11072, 13667, 18464, 20224, 22144, 27334, 36928, 44288, 45583, 54668, 73856, 91166, 99821, 109336, 147712, 182332, 199642, 218672, 364664, 399284, 437344, 729328, 798568, 874688, 1458656, 1597136, 1749376, 2917312, 3194272, 3498752, 5834624, 6388544, 7885859, 11669248, 12777088, 15771718, 25554176, 31543436, 63086872, 126173744, 252347488, 504694976, 1009389952, 2018779904]

約数ペア:

[(1, 2018779904), (2, 1009389952), (4, 504694976), (8, 252347488), (16, 126173744), (32, 63086872), (64, 31543436), (79, 25554176), (128, 15771718), (158, 12777088), (173, 11669248), (256, 7885859), (316, 6388544), (346, 5834624), (577, 3498752), (632, 3194272), (692, 2917312), (1154, 1749376), (1264, 1597136), (1384, 1458656), (2308, 874688), (2528, 798568), (2768, 729328), (4616, 437344), (5056, 399284), (5536, 364664), (9232, 218672), (10112, 199642), (11072, 182332), (13667, 147712), (18464, 109336), (20224, 99821), (22144, 91166), (27334, 73856), (36928, 54668), (44288, 45583)]