19888934

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 36

約数和(自身を含む): 34303716

約数和(自身を除く): 14414782

約数列:

[1, 2, 13, 19, 26, 38, 163, 169, 247, 326, 338, 361, 494, 722, 2119, 3097, 3211, 4238, 4693, 6194, 6422, 9386, 27547, 40261, 55094, 58843, 61009, 80522, 117686, 122018, 523393, 764959, 1046786, 1529918, 9944467, 19888934]

約数ペア:

[(1, 19888934), (2, 9944467), (13, 1529918), (19, 1046786), (26, 764959), (38, 523393), (163, 122018), (169, 117686), (247, 80522), (326, 61009), (338, 58843), (361, 55094), (494, 40261), (722, 27547), (2119, 9386), (3097, 6422), (3211, 6194), (4238, 4693)]