18990842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 33196800

約数和(自身を除く): 14205958

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1039, 1406, 2078, 9139, 13507, 18278, 19741, 27014, 38443, 39482, 76886, 256633, 499759, 513266, 730417, 999518, 1460834, 9495421, 18990842]

約数ペア:

[(1, 18990842), (2, 9495421), (13, 1460834), (19, 999518), (26, 730417), (37, 513266), (38, 499759), (74, 256633), (247, 76886), (481, 39482), (494, 38443), (703, 27014), (962, 19741), (1039, 18278), (1406, 13507), (2078, 9139)]