18734118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{521}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 40515552

約数和(自身を除く): 21781434

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 461, 521, 922, 1042, 1383, 1563, 2766, 3126, 5993, 6773, 11986, 13546, 17979, 20319, 35958, 40638, 240181, 480362, 720543, 1441086, 3122353, 6244706, 9367059, 18734118]

約数ペア:

[(1, 18734118), (2, 9367059), (3, 6244706), (6, 3122353), (13, 1441086), (26, 720543), (39, 480362), (78, 240181), (461, 40638), (521, 35958), (922, 20319), (1042, 17979), (1383, 13546), (1563, 11986), (2766, 6773), (3126, 5993)]