19637156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 23693404

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 619, 721, 1133, 1238, 1442, 2266, 2476, 2884, 4333, 4532, 6809, 7931, 8666, 13618, 15862, 17332, 27236, 31724, 47663, 63757, 95326, 127514, 190652, 255028, 446299, 701327, 892598, 1402654, 1785196, 2805308, 4909289, 9818578, 19637156]

約数ペア:

[(1, 19637156), (2, 9818578), (4, 4909289), (7, 2805308), (11, 1785196), (14, 1402654), (22, 892598), (28, 701327), (44, 446299), (77, 255028), (103, 190652), (154, 127514), (206, 95326), (308, 63757), (412, 47663), (619, 31724), (721, 27236), (1133, 17332), (1238, 15862), (1442, 13618), (2266, 8666), (2476, 7931), (2884, 6809), (4333, 4532)]