18440820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1933}}^1$

素因数の和:2001

約数の個数: 72

約数和(自身を含む): 57022056

約数和(自身を除く): 38581236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 1933, 2385, 3180, 3866, 4770, 5799, 7732, 9540, 9665, 11598, 17397, 19330, 23196, 28995, 34794, 38660, 57990, 69588, 86985, 102449, 115980, 173970, 204898, 307347, 347940, 409796, 512245, 614694, 922041, 1024490, 1229388, 1536735, 1844082, 2048980, 3073470, 3688164, 4610205, 6146940, 9220410, 18440820]

約数ペア:

[(1, 18440820), (2, 9220410), (3, 6146940), (4, 4610205), (5, 3688164), (6, 3073470), (9, 2048980), (10, 1844082), (12, 1536735), (15, 1229388), (18, 1024490), (20, 922041), (30, 614694), (36, 512245), (45, 409796), (53, 347940), (60, 307347), (90, 204898), (106, 173970), (159, 115980), (180, 102449), (212, 86985), (265, 69588), (318, 57990), (477, 38660), (530, 34794), (636, 28995), (795, 23196), (954, 19330), (1060, 17397), (1590, 11598), (1908, 9665), (1933, 9540), (2385, 7732), (3180, 5799), (3866, 4770)]