19144780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 23755700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 607, 830, 1214, 1577, 1660, 2428, 3035, 3154, 6070, 6308, 7885, 11533, 12140, 15770, 23066, 31540, 46132, 50381, 57665, 100762, 115330, 201524, 230660, 251905, 503810, 957239, 1007620, 1914478, 3828956, 4786195, 9572390, 19144780]

約数ペア:

[(1, 19144780), (2, 9572390), (4, 4786195), (5, 3828956), (10, 1914478), (19, 1007620), (20, 957239), (38, 503810), (76, 251905), (83, 230660), (95, 201524), (166, 115330), (190, 100762), (332, 57665), (380, 50381), (415, 46132), (607, 31540), (830, 23066), (1214, 15770), (1577, 12140), (1660, 11533), (2428, 7885), (3035, 6308), (3154, 6070)]