19482190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 24385970

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 271, 395, 455, 542, 553, 790, 910, 1027, 1106, 1355, 1897, 2054, 2710, 2765, 3523, 3794, 5135, 5530, 7046, 7189, 9485, 10270, 14378, 17615, 18970, 21409, 24661, 35230, 35945, 42818, 49322, 71890, 107045, 123305, 149863, 214090, 246610, 278317, 299726, 556634, 749315, 1391585, 1498630, 1948219, 2783170, 3896438, 9741095, 19482190]

約数ペア:

[(1, 19482190), (2, 9741095), (5, 3896438), (7, 2783170), (10, 1948219), (13, 1498630), (14, 1391585), (26, 749315), (35, 556634), (65, 299726), (70, 278317), (79, 246610), (91, 214090), (130, 149863), (158, 123305), (182, 107045), (271, 71890), (395, 49322), (455, 42818), (542, 35945), (553, 35230), (790, 24661), (910, 21409), (1027, 18970), (1106, 17615), (1355, 14378), (1897, 10270), (2054, 9485), (2710, 7189), (2765, 7046), (3523, 5530), (3794, 5135)]