17963260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4186

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 26550020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4139, 4340, 8278, 16556, 20695, 28973, 41390, 57946, 82780, 115892, 128309, 144865, 256618, 289730, 513236, 579460, 641545, 898163, 1283090, 1796326, 2566180, 3592652, 4490815, 8981630, 17963260]

約数ペア:

[(1, 17963260), (2, 8981630), (4, 4490815), (5, 3592652), (7, 2566180), (10, 1796326), (14, 1283090), (20, 898163), (28, 641545), (31, 579460), (35, 513236), (62, 289730), (70, 256618), (124, 144865), (140, 128309), (155, 115892), (217, 82780), (310, 57946), (434, 41390), (620, 28973), (868, 20695), (1085, 16556), (2170, 8278), (4139, 4340)]