18442919120

素因数分解:

$2^4\times 5^1\times {\mathrm{230536489}}^1$

素因数の和:230536502

約数の個数: 20

約数和(自身を含む): 42879787140

約数和(自身を除く): 24436868020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230536489, 461072978, 922145956, 1152682445, 1844291912, 2305364890, 3688583824, 4610729780, 9221459560, 18442919120]

約数ペア:

[(1, 18442919120), (2, 9221459560), (4, 4610729780), (5, 3688583824), (8, 2305364890), (10, 1844291912), (16, 1152682445), (20, 922145956), (40, 461072978), (80, 230536489)]