18691972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18919}}^1$

素因数の和:18955

約数の個数: 24

約数和(自身を含む): 37083200

約数和(自身を除く): 18391228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 18919, 37838, 75676, 245947, 359461, 491894, 718922, 983788, 1437844, 4672993, 9345986, 18691972]

約数ペア:

[(1, 18691972), (2, 9345986), (4, 4672993), (13, 1437844), (19, 983788), (26, 718922), (38, 491894), (52, 359461), (76, 245947), (247, 75676), (494, 37838), (988, 18919)]