19773130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 19009670

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1709, 2314, 3418, 5785, 8545, 11570, 17090, 22217, 44434, 111085, 152101, 222170, 304202, 760505, 1521010, 1977313, 3954626, 9886565, 19773130]

約数ペア:

[(1, 19773130), (2, 9886565), (5, 3954626), (10, 1977313), (13, 1521010), (26, 760505), (65, 304202), (89, 222170), (130, 152101), (178, 111085), (445, 44434), (890, 22217), (1157, 17090), (1709, 11570), (2314, 8545), (3418, 5785)]