18786690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16057}}^1$

素因数の和:16083

約数の個数: 48

約数和(自身を含む): 52606008

約数和(自身を除く): 33819318

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16057, 32114, 48171, 80285, 96342, 144513, 160570, 208741, 240855, 289026, 417482, 481710, 626223, 722565, 1043705, 1252446, 1445130, 1878669, 2087410, 3131115, 3757338, 6262230, 9393345, 18786690]

約数ペア:

[(1, 18786690), (2, 9393345), (3, 6262230), (5, 3757338), (6, 3131115), (9, 2087410), (10, 1878669), (13, 1445130), (15, 1252446), (18, 1043705), (26, 722565), (30, 626223), (39, 481710), (45, 417482), (65, 289026), (78, 240855), (90, 208741), (117, 160570), (130, 144513), (195, 96342), (234, 80285), (390, 48171), (585, 32114), (1170, 16057)]