19559890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12149}}^1$

素因数の和:12186

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 22430510

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12149, 24298, 60745, 85043, 121490, 170086, 279427, 425215, 558854, 850430, 1397135, 1955989, 2794270, 3911978, 9779945, 19559890]

約数ペア:

[(1, 19559890), (2, 9779945), (5, 3911978), (7, 2794270), (10, 1955989), (14, 1397135), (23, 850430), (35, 558854), (46, 425215), (70, 279427), (115, 170086), (161, 121490), (230, 85043), (322, 60745), (805, 24298), (1610, 12149)]