19630270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7759}}^1$

素因数の和:7800

約数の個数: 32

約数和(自身を含む): 40227840

約数和(自身を除く): 20597570

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7759, 15518, 38795, 77590, 85349, 170698, 178457, 356914, 426745, 853490, 892285, 1784570, 1963027, 3926054, 9815135, 19630270]

約数ペア:

[(1, 19630270), (2, 9815135), (5, 3926054), (10, 1963027), (11, 1784570), (22, 892285), (23, 853490), (46, 426745), (55, 356914), (110, 178457), (115, 170698), (230, 85349), (253, 77590), (506, 38795), (1265, 15518), (2530, 7759)]