19499580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 59684352

約数和(自身を除く): 40184772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 853, 1143, 1270, 1524, 1706, 1905, 2286, 2540, 2559, 3412, 3810, 4265, 4572, 5118, 5715, 7620, 7677, 8530, 10236, 11430, 12795, 15354, 17060, 22860, 25590, 30708, 38385, 51180, 76770, 108331, 153540, 216662, 324993, 433324, 541655, 649986, 974979, 1083310, 1299972, 1624965, 1949958, 2166620, 3249930, 3899916, 4874895, 6499860, 9749790, 19499580]

約数ペア:

[(1, 19499580), (2, 9749790), (3, 6499860), (4, 4874895), (5, 3899916), (6, 3249930), (9, 2166620), (10, 1949958), (12, 1624965), (15, 1299972), (18, 1083310), (20, 974979), (30, 649986), (36, 541655), (45, 433324), (60, 324993), (90, 216662), (127, 153540), (180, 108331), (254, 76770), (381, 51180), (508, 38385), (635, 30708), (762, 25590), (853, 22860), (1143, 17060), (1270, 15354), (1524, 12795), (1706, 11430), (1905, 10236), (2286, 8530), (2540, 7677), (2559, 7620), (3412, 5715), (3810, 5118), (4265, 4572)]