1991925458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{2153}}^1$

素因数の和:2522

約数の個数: 32

約数和(自身を含む): 3191711040

約数和(自身を除く): 1199785582

約数列:

[1, 2, 19, 38, 97, 194, 251, 502, 1843, 2153, 3686, 4306, 4769, 9538, 24347, 40907, 48694, 81814, 208841, 417682, 462593, 540403, 925186, 1080806, 3967979, 7935958, 10267657, 20535314, 52419091, 104838182, 995962729, 1991925458]

約数ペア:

[(1, 1991925458), (2, 995962729), (19, 104838182), (38, 52419091), (97, 20535314), (194, 10267657), (251, 7935958), (502, 3967979), (1843, 1080806), (2153, 925186), (3686, 540403), (4306, 462593), (4769, 417682), (9538, 208841), (24347, 81814), (40907, 48694)]