18702057

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 30238272

約数和(自身を除く): 11536215

約数列:

[1, 3, 11, 17, 33, 37, 51, 53, 111, 159, 187, 289, 407, 561, 583, 629, 867, 901, 1221, 1749, 1887, 1961, 2703, 3179, 5883, 6919, 9537, 9911, 10693, 15317, 20757, 21571, 29733, 32079, 33337, 45951, 64713, 100011, 117623, 168487, 352869, 366707, 505461, 566729, 1100121, 1700187, 6234019, 18702057]

約数ペア:

[(1, 18702057), (3, 6234019), (11, 1700187), (17, 1100121), (33, 566729), (37, 505461), (51, 366707), (53, 352869), (111, 168487), (159, 117623), (187, 100011), (289, 64713), (407, 45951), (561, 33337), (583, 32079), (629, 29733), (867, 21571), (901, 20757), (1221, 15317), (1749, 10693), (1887, 9911), (1961, 9537), (2703, 6919), (3179, 5883)]