19511010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 33020190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 569, 635, 762, 1138, 1143, 1270, 1707, 1905, 2286, 2845, 3414, 3429, 3810, 5121, 5690, 5715, 6858, 8535, 10242, 11430, 15363, 17070, 17145, 25605, 30726, 34290, 51210, 72263, 76815, 144526, 153630, 216789, 361315, 433578, 650367, 722630, 1083945, 1300734, 1951101, 2167890, 3251835, 3902202, 6503670, 9755505, 19511010]

約数ペア:

[(1, 19511010), (2, 9755505), (3, 6503670), (5, 3902202), (6, 3251835), (9, 2167890), (10, 1951101), (15, 1300734), (18, 1083945), (27, 722630), (30, 650367), (45, 433578), (54, 361315), (90, 216789), (127, 153630), (135, 144526), (254, 76815), (270, 72263), (381, 51210), (569, 34290), (635, 30726), (762, 25605), (1138, 17145), (1143, 17070), (1270, 15363), (1707, 11430), (1905, 10242), (2286, 8535), (2845, 6858), (3414, 5715), (3429, 5690), (3810, 5121)]