18249861

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 11609979

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 863, 1007, 1113, 2589, 3021, 6041, 7049, 16397, 18123, 21147, 45739, 49191, 114779, 137217, 320173, 344337, 869041, 960519, 2607123, 6083287, 18249861]

約数ペア:

[(1, 18249861), (3, 6083287), (7, 2607123), (19, 960519), (21, 869041), (53, 344337), (57, 320173), (133, 137217), (159, 114779), (371, 49191), (399, 45739), (863, 21147), (1007, 18123), (1113, 16397), (2589, 7049), (3021, 6041)]