1813913820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{4801}}^1$

素因数の和:6915

約数の個数: 72

約数和(自身を含む): 5505973200

約数和(自身を除く): 3692059380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2099, 4198, 4801, 6297, 8396, 9602, 10495, 12594, 14403, 18891, 19204, 20990, 24005, 25188, 28806, 31485, 37782, 41980, 43209, 48010, 57612, 62970, 72015, 75564, 86418, 94455, 96020, 125940, 144030, 172836, 188910, 216045, 288060, 377820, 432090, 864180, 10077299, 20154598, 30231897, 40309196, 50386495, 60463794, 90695691, 100772990, 120927588, 151159485, 181391382, 201545980, 302318970, 362782764, 453478455, 604637940, 906956910, 1813913820]

約数ペア:

[(1, 1813913820), (2, 906956910), (3, 604637940), (4, 453478455), (5, 362782764), (6, 302318970), (9, 201545980), (10, 181391382), (12, 151159485), (15, 120927588), (18, 100772990), (20, 90695691), (30, 60463794), (36, 50386495), (45, 40309196), (60, 30231897), (90, 20154598), (180, 10077299), (2099, 864180), (4198, 432090), (4801, 377820), (6297, 288060), (8396, 216045), (9602, 188910), (10495, 172836), (12594, 144030), (14403, 125940), (18891, 96020), (19204, 94455), (20990, 86418), (24005, 75564), (25188, 72015), (28806, 62970), (31485, 57612), (37782, 48010), (41980, 43209)]