17994691

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 22982400

約数和(自身を除く): 4987709

約数列:

[1, 11, 13, 19, 37, 143, 179, 209, 247, 407, 481, 703, 1969, 2327, 2717, 3401, 5291, 6623, 7733, 9139, 25597, 37411, 44213, 72853, 86099, 100529, 125837, 486343, 947089, 1384207, 1635881, 17994691]

約数ペア:

[(1, 17994691), (11, 1635881), (13, 1384207), (19, 947089), (37, 486343), (143, 125837), (179, 100529), (209, 86099), (247, 72853), (407, 44213), (481, 37411), (703, 25597), (1969, 9139), (2327, 7733), (2717, 6623), (3401, 5291)]