19855070499

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{991}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 30289489920

約数和(自身を除く): 10434419421

約数列:

[1, 3, 11, 33, 37, 61, 111, 183, 269, 407, 671, 807, 991, 1221, 2013, 2257, 2959, 2973, 6771, 8877, 9953, 10901, 16409, 24827, 29859, 32703, 36667, 49227, 60451, 74481, 109483, 110001, 180499, 181353, 266579, 328449, 403337, 541497, 607133, 664961, 799737, 1210011, 1821399, 1994883, 2236687, 2932369, 6678463, 6710061, 8797107, 9863423, 16261319, 20035389, 24603557, 29590269, 48783957, 73810671, 108497653, 178874509, 325492959, 536623527, 601668803, 1805006409, 6618356833, 19855070499]

約数ペア:

[(1, 19855070499), (3, 6618356833), (11, 1805006409), (33, 601668803), (37, 536623527), (61, 325492959), (111, 178874509), (183, 108497653), (269, 73810671), (407, 48783957), (671, 29590269), (807, 24603557), (991, 20035389), (1221, 16261319), (2013, 9863423), (2257, 8797107), (2959, 6710061), (2973, 6678463), (6771, 2932369), (8877, 2236687), (9953, 1994883), (10901, 1821399), (16409, 1210011), (24827, 799737), (29859, 664961), (32703, 607133), (36667, 541497), (49227, 403337), (60451, 328449), (74481, 266579), (109483, 181353), (110001, 180499)]