1818557572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1\times {\mathrm{809}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 3467318400

約数和(自身を除く): 1648760828

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 311, 556, 622, 809, 1244, 1618, 1807, 3236, 3614, 4043, 7228, 8086, 10517, 16172, 21034, 42068, 43229, 86458, 112451, 172916, 224902, 251599, 449804, 503198, 561977, 1006396, 1123954, 1461863, 2247908, 2923726, 3270787, 5847452, 6541574, 13083148, 34972261, 69944522, 139889044, 454639393, 909278786, 1818557572]

約数ペア:

[(1, 1818557572), (2, 909278786), (4, 454639393), (13, 139889044), (26, 69944522), (52, 34972261), (139, 13083148), (278, 6541574), (311, 5847452), (556, 3270787), (622, 2923726), (809, 2247908), (1244, 1461863), (1618, 1123954), (1807, 1006396), (3236, 561977), (3614, 503198), (4043, 449804), (7228, 251599), (8086, 224902), (10517, 172916), (16172, 112451), (21034, 86458), (42068, 43229)]