19203873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 29245440

約数和(自身を除く): 10041567

約数列:

[1, 3, 13, 23, 39, 69, 79, 237, 271, 299, 813, 897, 1027, 1817, 3081, 3523, 5451, 6233, 10569, 18699, 21409, 23621, 64227, 70863, 81029, 243087, 278317, 492407, 834951, 1477221, 6401291, 19203873]

約数ペア:

[(1, 19203873), (3, 6401291), (13, 1477221), (23, 834951), (39, 492407), (69, 278317), (79, 243087), (237, 81029), (271, 70863), (299, 64227), (813, 23621), (897, 21409), (1027, 18699), (1817, 10569), (3081, 6233), (3523, 5451)]