18859838

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1219

約数の個数: 16

約数和(自身を含む): 29012256

約数和(自身を除く): 10152418

約数列:

[1, 2, 53, 106, 181, 362, 983, 1966, 9593, 19186, 52099, 104198, 177923, 355846, 9429919, 18859838]

約数ペア:

[(1, 18859838), (2, 9429919), (53, 355846), (106, 177923), (181, 104198), (362, 52099), (983, 19186), (1966, 9593)]