19994768

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12373}}^1$

素因数の和:12482

約数の個数: 20

約数和(自身を含む): 39126588

約数和(自身を除く): 19131820

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12373, 24746, 49492, 98984, 197968, 1249673, 2499346, 4998692, 9997384, 19994768]

約数ペア:

[(1, 19994768), (2, 9997384), (4, 4998692), (8, 2499346), (16, 1249673), (101, 197968), (202, 98984), (404, 49492), (808, 24746), (1616, 12373)]