18806731198

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1\times {\mathrm{220369}}^1$

素因数の和:221043

約数の個数: 16

約数和(自身を含む): 28655151840

約数和(自身を除く): 9848420642

約数列:

[1, 2, 71, 142, 601, 1202, 42671, 85342, 220369, 440738, 15646199, 31292398, 132441769, 264883538, 9403365599, 18806731198]

約数ペア:

[(1, 18806731198), (2, 9403365599), (71, 264883538), (142, 132441769), (601, 31292398), (1202, 15646199), (42671, 440738), (85342, 220369)]