18046972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 32984000

約数和(自身を除く): 14937028

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 1999, 2257, 3998, 4514, 7996, 9028, 73963, 121939, 147926, 243878, 295852, 487756, 4511743, 9023486, 18046972]

約数ペア:

[(1, 18046972), (2, 9023486), (4, 4511743), (37, 487756), (61, 295852), (74, 243878), (122, 147926), (148, 121939), (244, 73963), (1999, 9028), (2257, 7996), (3998, 4514)]