18871902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7917

約数の個数: 48

約数和(自身を含む): 49196160

約数和(自身を除く): 30324258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 7883, 15766, 23649, 47298, 55181, 70947, 110362, 141894, 149777, 165543, 299554, 331086, 449331, 496629, 898662, 993258, 1048439, 1347993, 2096878, 2695986, 3145317, 6290634, 9435951, 18871902]

約数ペア:

[(1, 18871902), (2, 9435951), (3, 6290634), (6, 3145317), (7, 2695986), (9, 2096878), (14, 1347993), (18, 1048439), (19, 993258), (21, 898662), (38, 496629), (42, 449331), (57, 331086), (63, 299554), (114, 165543), (126, 149777), (133, 141894), (171, 110362), (266, 70947), (342, 55181), (399, 47298), (798, 23649), (1197, 15766), (2394, 7883)]