19485236

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 36451044

約数和(自身を除く): 16965808

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 137, 148, 274, 548, 961, 1147, 1922, 2294, 3844, 4247, 4588, 5069, 8494, 10138, 16988, 20276, 35557, 71114, 131657, 142228, 157139, 263314, 314278, 526628, 628556, 4871309, 9742618, 19485236]

約数ペア:

[(1, 19485236), (2, 9742618), (4, 4871309), (31, 628556), (37, 526628), (62, 314278), (74, 263314), (124, 157139), (137, 142228), (148, 131657), (274, 71114), (548, 35557), (961, 20276), (1147, 16988), (1922, 10138), (2294, 8494), (3844, 5069), (4247, 4588)]