19879365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 34924032

約数和(自身を除く): 15044667

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 211, 571, 633, 1055, 1713, 2321, 2855, 3165, 6281, 6963, 8565, 11605, 18843, 31405, 34815, 94215, 120481, 361443, 602405, 1325291, 1807215, 3975873, 6626455, 19879365]

約数ペア:

[(1, 19879365), (3, 6626455), (5, 3975873), (11, 1807215), (15, 1325291), (33, 602405), (55, 361443), (165, 120481), (211, 94215), (571, 34815), (633, 31405), (1055, 18843), (1713, 11605), (2321, 8565), (2855, 6963), (3165, 6281)]