18972316

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39199}}^1$

素因数の和:39225

約数の個数: 18

約数和(自身を含む): 36495200

約数和(自身を除く): 17522884

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39199, 78398, 156796, 431189, 862378, 1724756, 4743079, 9486158, 18972316]

約数ペア:

[(1, 18972316), (2, 9486158), (4, 4743079), (11, 1724756), (22, 862378), (44, 431189), (121, 156796), (242, 78398), (484, 39199)]