19002921410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1\times {\mathrm{2351}}^1$

素因数の和:2939

約数の個数: 64

約数和(自身を含む): 37620785664

約数和(自身を除く): 18617864254

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 373, 394, 746, 985, 1865, 1970, 2167, 2351, 3730, 4103, 4334, 4702, 8206, 10835, 11755, 20515, 21670, 23510, 25861, 41030, 51722, 73481, 129305, 146962, 258610, 367405, 463147, 734810, 808291, 876923, 926294, 1616582, 1753846, 2315735, 4041455, 4384615, 4631470, 5094617, 8082910, 8769230, 9646153, 10189234, 19292306, 25473085, 48230765, 50946170, 96461530, 172753831, 345507662, 863769155, 1727538310, 1900292141, 3800584282, 9501460705, 19002921410]

約数ペア:

[(1, 19002921410), (2, 9501460705), (5, 3800584282), (10, 1900292141), (11, 1727538310), (22, 863769155), (55, 345507662), (110, 172753831), (197, 96461530), (373, 50946170), (394, 48230765), (746, 25473085), (985, 19292306), (1865, 10189234), (1970, 9646153), (2167, 8769230), (2351, 8082910), (3730, 5094617), (4103, 4631470), (4334, 4384615), (4702, 4041455), (8206, 2315735), (10835, 1753846), (11755, 1616582), (20515, 926294), (21670, 876923), (23510, 808291), (25861, 734810), (41030, 463147), (51722, 367405), (73481, 258610), (129305, 146962)]