17617940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 39553920

約数和(自身を除く): 21935980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 653, 710, 1306, 1349, 1420, 2612, 2698, 3265, 5396, 6530, 6745, 12407, 13060, 13490, 24814, 26980, 46363, 49628, 62035, 92726, 124070, 185452, 231815, 248140, 463630, 880897, 927260, 1761794, 3523588, 4404485, 8808970, 17617940]

約数ペア:

[(1, 17617940), (2, 8808970), (4, 4404485), (5, 3523588), (10, 1761794), (19, 927260), (20, 880897), (38, 463630), (71, 248140), (76, 231815), (95, 185452), (142, 124070), (190, 92726), (284, 62035), (355, 49628), (380, 46363), (653, 26980), (710, 24814), (1306, 13490), (1349, 13060), (1420, 12407), (2612, 6745), (2698, 6530), (3265, 5396)]