18196340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 39992400

約数和(自身を除く): 21796060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 229, 274, 290, 458, 548, 580, 685, 916, 1145, 1370, 2290, 2740, 3973, 4580, 6641, 7946, 13282, 15892, 19865, 26564, 31373, 33205, 39730, 62746, 66410, 79460, 125492, 132820, 156865, 313730, 627460, 909817, 1819634, 3639268, 4549085, 9098170, 18196340]

約数ペア:

[(1, 18196340), (2, 9098170), (4, 4549085), (5, 3639268), (10, 1819634), (20, 909817), (29, 627460), (58, 313730), (116, 156865), (137, 132820), (145, 125492), (229, 79460), (274, 66410), (290, 62746), (458, 39730), (548, 33205), (580, 31373), (685, 26564), (916, 19865), (1145, 15892), (1370, 13282), (2290, 7946), (2740, 6641), (3973, 4580)]