19777890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 52555392

約数和(自身を除く): 32777502

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 821, 1095, 1606, 1642, 2190, 2409, 2463, 4015, 4105, 4818, 4926, 8030, 8210, 9031, 12045, 12315, 18062, 24090, 24630, 27093, 45155, 54186, 59933, 90310, 119866, 135465, 179799, 270930, 299665, 359598, 599330, 659263, 898995, 1318526, 1797990, 1977789, 3296315, 3955578, 6592630, 9888945, 19777890]

約数ペア:

[(1, 19777890), (2, 9888945), (3, 6592630), (5, 3955578), (6, 3296315), (10, 1977789), (11, 1797990), (15, 1318526), (22, 898995), (30, 659263), (33, 599330), (55, 359598), (66, 299665), (73, 270930), (110, 179799), (146, 135465), (165, 119866), (219, 90310), (330, 59933), (365, 54186), (438, 45155), (730, 27093), (803, 24630), (821, 24090), (1095, 18062), (1606, 12315), (1642, 12045), (2190, 9031), (2409, 8210), (2463, 8030), (4015, 4926), (4105, 4818)]