18048844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 36

約数和(自身を含む): 35191800

約数和(自身を除く): 17142956

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 419, 484, 838, 979, 1676, 1958, 3916, 4609, 9218, 10769, 18436, 21538, 37291, 43076, 50699, 74582, 101398, 149164, 202796, 410201, 820402, 1640804, 4512211, 9024422, 18048844]

約数ペア:

[(1, 18048844), (2, 9024422), (4, 4512211), (11, 1640804), (22, 820402), (44, 410201), (89, 202796), (121, 149164), (178, 101398), (242, 74582), (356, 50699), (419, 43076), (484, 37291), (838, 21538), (979, 18436), (1676, 10769), (1958, 9218), (3916, 4609)]