18972645

素因数分解:

$3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{3391}}^1$

素因数の和:3772

約数の個数: 16

約数和(自身を含む): 30446592

約数和(自身を除く): 11473947

約数列:

[1, 3, 5, 15, 373, 1119, 1865, 3391, 5595, 10173, 16955, 50865, 1264843, 3794529, 6324215, 18972645]

約数ペア:

[(1, 18972645), (3, 6324215), (5, 3794529), (15, 1264843), (373, 50865), (1119, 16955), (1865, 10173), (3391, 5595)]