18739364

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1512

約数の個数: 36

約数和(自身を含む): 38744496

約数和(自身を除く): 20005132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1427, 1876, 2854, 3283, 5708, 6566, 9989, 13132, 19978, 39956, 69923, 95609, 139846, 191218, 279692, 382436, 669263, 1338526, 2677052, 4684841, 9369682, 18739364]

約数ペア:

[(1, 18739364), (2, 9369682), (4, 4684841), (7, 2677052), (14, 1338526), (28, 669263), (49, 382436), (67, 279692), (98, 191218), (134, 139846), (196, 95609), (268, 69923), (469, 39956), (938, 19978), (1427, 13132), (1876, 9989), (2854, 6566), (3283, 5708)]