18416380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 40755456

約数和(自身を除く): 22339076

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 607, 740, 820, 1214, 1517, 2428, 3034, 3035, 6068, 6070, 7585, 12140, 15170, 22459, 24887, 30340, 44918, 49774, 89836, 99548, 112295, 124435, 224590, 248870, 449180, 497740, 920819, 1841638, 3683276, 4604095, 9208190, 18416380]

約数ペア:

[(1, 18416380), (2, 9208190), (4, 4604095), (5, 3683276), (10, 1841638), (20, 920819), (37, 497740), (41, 449180), (74, 248870), (82, 224590), (148, 124435), (164, 112295), (185, 99548), (205, 89836), (370, 49774), (410, 44918), (607, 30340), (740, 24887), (820, 22459), (1214, 15170), (1517, 12140), (2428, 7585), (3034, 6070), (3035, 6068)]