18903079

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 21417984

約数和(自身を除く): 2514905

約数列:

[1, 13, 23, 191, 299, 331, 2483, 4303, 4393, 7613, 57109, 63221, 98969, 821873, 1454083, 18903079]

約数ペア:

[(1, 18903079), (13, 1454083), (23, 821873), (191, 98969), (299, 63221), (331, 57109), (2483, 7613), (4303, 4393)]