18408690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1643

約数の個数: 48

約数和(自身を含む): 48244248

約数和(自身を除く): 29835558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1493, 2055, 2466, 2986, 4110, 4479, 6165, 7465, 8958, 12330, 13437, 14930, 22395, 26874, 44790, 67185, 134370, 204541, 409082, 613623, 1022705, 1227246, 1840869, 2045410, 3068115, 3681738, 6136230, 9204345, 18408690]

約数ペア:

[(1, 18408690), (2, 9204345), (3, 6136230), (5, 3681738), (6, 3068115), (9, 2045410), (10, 1840869), (15, 1227246), (18, 1022705), (30, 613623), (45, 409082), (90, 204541), (137, 134370), (274, 67185), (411, 44790), (685, 26874), (822, 22395), (1233, 14930), (1370, 13437), (1493, 12330), (2055, 8958), (2466, 7465), (2986, 6165), (4110, 4479)]